The characteristics of two layers of Earth’s crust are listed.

Layer A: Hard, rigid outermost layer of Earth
Layer B: "Plastic" layer containing the mesosphere

Which statement is true?
Layer A is the crust and Layer B is the mantle.
Layer A is the mantle and Layer B is the crust.
Layer A is the outer core and Layer B is the inner core.
Layer A is the inner core and Layer B is the outer core.

Answers

Answer 1

Answer:

Layer A is the crust and Layer B is the mantle.

Answer 2

Answer:

Layer A is the crust and Layer B is the mantle.

Explanation:

The crust is the hardest and hardest layer on earth. It is an external and solid layer, consisting mainly of rocks, soils and a variety of minerals. It can be classified as terrestrial crust, or oceanic crust (when it is below the ocean).

The Mantle, in turn, is located just below the crust and has a more plastic consistency, being a less rigid layer than the crust. The mantle extends to almost half the earth's radius and its apparent "plasticity" is the result of magma.


Related Questions

what human disease is caused by fungi​

Answers

Answer:

I believe it's Fungal Disease.

Explanation:

Hope i have helped you!

I think it is fungal disease

The lock and key mechanism refers to

Answers

the mechanism of enzymatic action within a single substance

Answer:

The mechanism of enzyme action.

Explanation:

The lock and key mechanism refer to the mechanism of enzyme action. The enzyme is a bio catalyst which enhance the biochemical reactions without changing itself. In the lock and key mechanism, a specific substrate will attach to the active site of the enzyme to form an enzyme-substrate complex. It's like a specific key fits with the lock. The active site is the portion of the enzyme, where it gets attached to the substrate. Then the substrate becomes the product and detaches from the enzyme. Now the enzyme becomes free and another specific substrate will attach to carry on the enzyme action.

what is the relationship between plants and oxygen​

Answers

Answer:

Explanation:

plants breath in CO2 or carbon dioxide and exhale oxygen.

Answer:

The relationship with plants and oxygen is that plants inhale carbon-dioxide and exhale oxygen (mostly at night)

Explanation:

The development of a new experimental method is most likely to change theory of it makes it possible to?

Answers

Answer:

study a larger sample size than before.

Explanation:

Answer: d on edge 2021

Explanation:

information based on opinions is valid. Please select the best answer from the choices provided T or F

Answers

F - information based on opinion is not valid because it has not been proven right

Answer:

f

Explanation:

Philippe wants to measure how much water his potted tomato plants lose through transpiration each day. To do this, he sets up a series of experiments to capture the water that leaves the plants. Which of these experiment designs would BEST measure the amount of water lost through transpiration? Text to speech

A.Enclosing the plant’s roots in plastic to collect the water transpired by the plant.
B.Enclosing the plant in plastic so that any water lost through transpiration could be collected.
C.Placing the tomato plant inside a dark corner where the rate of transpiration would be slow and easy to measure.
D.Placing the tomato plant outside in the full sun to maximize the rate of transpiration and make measuring transpiration easy.

Krista has been watching a heavy rainfall outside. After the storm, she walks out and notices that there is no water in the gravel driveway, some water in the grassy yard, and a standing puddle in the hard-packed dirt in the corner of the yard. What statement BEST explains Krista’s observations? Text to speech

A.The infiltration rate of the gravel is faster than that of the grassy area, which is faster than the hard-packed dirt.

B.The infiltration rate of the gravel is slower than that of the grassy area, which is slower than the hard-packed dirt.

C.Less precipitation fell on the gravel driveway than on the grassy area, which had less precipitation than the hard-packed dirt area.

D.More precipitation fell on the gravel driveway than on the grassy area, which had more precipitation than the hard-packed dirt area.

Transitions from condensed water to crystallized water and back again occur often in nature. Such transitions are particularly frequent in winter. Below are parts of a model that help illustrate this idea. Which statement makes the best caption to explain the role of energy in this model?

A.Energy is released during both transitions.

B.Energy is absorbed during both transitions.

C.Water loses energy during crystallization and gains energy during melting.

D.Water gains energy during crystallization and loses energy during melting.

Answers

1. The correct answer is B.

Blatantly increasing or decreasing the rate of transpiration is not an accurate way to measure the typical amount of water that is lost through transpiration, which eliminates choices C and D. The method proposed in choice B is pretty wrong and will lead to the collection of no water.

For the second question, the correct answer is A. The prompt mentioned that the dirt area contained the most water, which automatically eliminates choices B and D. What makes choice C wrong is that the water reached the materials in equal amounts, but some of them were able to infiltrate the water faster. Hard-packed dirt will, due to its thickness, always take the longest to infiltrate water.

For the third question, we know that energy is required to melt things -- thus eliminating choices B and D. Because the energy is being used, it would have to lose some energy and not gain any back unless you're melting something. The difference between choices A and C is that HEAT is released during crystallization...only! In order for something to melt, heat/energy must be taken in. So, the correct answer is C.

The best method to measure water loss through transpiration in plants is to enclose the plant in plastic, which allows for the collection of transpired water vapor. The infiltration rate of different surfaces explains the presence of water after rain. Water transitions between phases involve losses and gains of energy, depending on the process.

Transpiration is a vital process for plants, allowing them to absorb water from the soil and maintain homeostasis. The process involves the loss of water vapor from the stomata in the leaves. Understanding the transpiration process is critical to measuring the water loss from plants accurately.

To measure the amount of water lost through transpiration by Philippe's potted tomato plants, the best experimental design would be choice B, enclosing the plant in plastic so that any water lost through transpiration can be collected. This method effectively captures the water vapor transpired by the plant and condenses it on the plastic, allowing for measurement.

Regarding Krista's observations after the rainfall, the most accurate explanation is statement A. The infiltration rate of the gravel is faster than that of the grassy area, which is faster than the hard-packed dirt, indicating the varying ability of these surfaces to absorb water.

Finally, when discussing the transitions from condensed water to crystallized water back and forth in nature, such as during winter months, the proper explanation involving energy is statement C. Water loses energy during crystallization and gains energy during melting. This explains the energy change associated with the phase transitions of water.

a bird eats a caterpillar ate a tree leaf the tree is an example of a

A: producer

B: consumer

C: decomposer

D: carnivore​

Answers

Producer is the answer

Answer:

A. Producer

Explanation:

This is the speed at which a reaction progresses.

Answers

Answer:

Reaction Rate

Explanation:

Final answer:

The speed at which a reaction progresses, known as the reaction rate, is a key concept in Chemistry. It is the rate at which reactants are converted into products in a chemical reaction, influenced by factors such as concentration, temperature, the presence of a catalyst, and surface area.

Explanation:

The speed at which a reaction progresses relates to the concept of reaction rates in Chemistry. It can be defined as the rate at which reactants are converted into products in a chemical reaction. The speed of the reaction may be influenced by factors such as concentration of reactants, temperature, presence of a catalyst, and surface area of reactants.

For instance, if you mix baking soda and vinegar, the reaction will happen quite quickly. This represents a reaction with a high speed. On the other hand, if you left an iron nail outside, it would take days or even weeks for the iron to react with the oxygen in the air and form rust, signifying a reaction with a slower speed.

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The enzyme that unwinds that double stranded DNA at the beginning of DNA replication is called. A. Primase. B. DNA polymerase. C. topoisomerase. D. Helicase

Answers

Answer:

The correct option is D. Helicase is the enzyme that unwinds that double stranded DNA at the beginning of DNA replication.

Explanation:

DNA replication can be described as a process by which the strand of DNA gets duplicated into two new daughter strands.

Helicases can be described as the enzymes whose main function is to unwind the double helix structure of the DNA. The helicases break the hydrogen bonds present between the two strands of DNA. The helicases are the first machinery for DNA replication as they form the replication fork and begin unwinding of the DNA from the origin of replication

Answer: Helicase

Explanation:

DNA is the genetic material which is found in all the organisms except few. It carries the genetic information from one generation to another generation.

The Enzyme named helicase unwinds the double helix model of DNA. It helps in unwinding of the DNA by breaking the hydrogen bonds in between them.

It starts from the origin of replication and forms a replication fork by separating the two strands.These two separated strands are known as the parental strands.  

Why is water considered to be abiotic?
O
because it is not part of the biosphere
O because it came from something living
O because it is dead
O because it never lived
M​

Answers

Final answer:

Water is considered abiotic because it is a nonliving entity that does not exhibit characteristics of life, despite being essential for supporting living organisms within an ecosystem.

Explanation:

Water is considered to be abiotic because it is a nonliving part of the environment. Abiotic factors like water, sunlight, and air are essential for the survival of living organisms, but they do not exhibit the characteristics of life such as growth, reproduction, and metabolic processes that biotic factors, or living organisms, do.

Ecosystems are composed of both abiotic and biotic factors. The biotic components include all living things like plants, animals, and microorganisms, whereas the abiotic components encompass those that have never lived, such as soil, water, and air. The water that living organisms require cycles through the environment, interacting with both abiotic and biotic factors, but water itself remains a nonliving entity.

What are the thin fibers of the human nervous system that send messages between different parts of the body

Answers

Answer:

Neurons

Explanation:

Neurons run through our body and communicate with each other. They send/receive messages from other parts of the body

HELP! BEST ANSWER GETS BRAINLIEST!!!

Answers

Answer:

I'm pretty sure is biodiversity

Explanation:

Answer:

Ecosystem biodiversity

Explanation:

The ecosystem is a community of species living together in a physical environment. Biodiversity means have as wide as a range of species in a certain ecosystem. Our ecosystem biodiversity is important since fossil fuels have been gradually rising over the recent years and certain species or habitats cannot cope with rising temperature and also the rising population of the earth, more people are being born so rainforests or other unique ecosystems are being destroyed for the benefit of humans.

The recycling truck comes every Friday to gather what has been put into the trash cans. This is similar to _______ in eukaryotic cells.

Answers

The recycling truck's function of gathering waste is analogous to lysosomes in eukaryotic cells, which act as recycling centers with enzymes that break down biomolecules and old cellular components for reuse.

The recycling truck's role in gathering and carrying away waste for recycling is similar to the function of the lysosome in eukaryotic cells. Lysosomes are like the recycling centers of cells because they contain digestive enzymes that break down various biomolecules and old cellular components into their basic parts. These parts can then be reused by the cell to build new molecules or to produce energy. This process is critical in maintaining cellular health by removing damaged or non-functional components and recirculating their building blocks. The enzymes within the lysosome operate at a lower pH, which is more acidic than the rest of the cell, allowing these enzymes to efficiently break down materials without impacting other cellular processes.

Where are subduction zones likely to form?

A. Between two diverging oceanic plates
B. Between diverging oceanic and continental plates
C. Between two diverging continental plates
D. Between converging oceanic and continental plates

Answers

Answer:

B. Between converging oceanic and continental plates

Explanation:

Subduction happens when a tectonic plate slides under another one.For this to occur, the two plates have to be converging towards each other.  

Answer:

Option D, Between converging oceanic and continental plates

Explanation:

Subduction zones/boundaries are formed in the regions in which one tectonic plate slips below the other tectonic plates. These tectonic plates could be a pair of oceanic/continental plates or one oceanic and one continental plate.

In a converging process, two tectonic plates move towards each other until they collide thereby causing slipping of one plate below the other. While in a diverging process, the two tectonic plates move away from each other and hence there is no chance of formation of subduction zone.

Thus, option D is correct.

Suppose you are interested in the planet Mars. Explain how your interest might lead you to a career in science.


Help me

Answers

Answer:

This is a weird question, but I'll try my best to answer.

Explanation:

Your interest in Mars could lead to wanting to learn more about the planet. Perhaps that fascination could turn into an interest for other planets, then space in general. By wanting to learn more about it, you'll probably want to study it, maybe even go to school to continue expanding your knowledge, then that could lead to a job a career in astrology. Perhaps someone could even just grow an interest for the rocks of Mars and go on to study different rocks and minerals. But I'm not sure. This is the best thing I could think to explain it.

Which is a difference between plant and animal cells? A) An animal cell can produce energy, because it has mitochondria. B) A plant cell has a well defined shape, because it has a cell wall. C) A plant cell can store genetic information, because it has a nucleus. D) Molecules can only pass into an animal cell because it has a cell membrane. Eliminate

Answers

answer B) a plant cell has a well defined shape, because it has a cell wall.

Answer:

b

Explanation:

took test

Cacti with very few spines tend to be eaten by animals, and cacti with many spines tend to be
preferred by parasitic insects. This causes cacti with an average number of spines to be preferred. How
would you explain this?
O A. This is an example of a disruptive selection in which the population of cacti is divided and well defined
O B. This is an example of directional selection in which one end of the bell curve is better adapted to its
environment than the other end
O C. This is an example of bidirectional selection in which evolutionary pressures from multiple sources
encourage an organism to adapt
O D. This is an example of a stabilizing selection in which the intermediate form of a trait is advantageous
compared to the extreme forms of the trait​

Answers

The average number of spines in cactus is preferred as it is an example of stabilizing selection in which the intermediate form of a trait is advantageous compared to the extreme forms of the trait. Thus, the correct option is D.

What is Stabilizing selection?

Stabilizing selection is a type of natural selection in which a population stabilizes on a particular non-extreme trait value. This is thought to be one of the most common mechanism of action for the natural selection of a population because most traits do not appear to change drastically over time in the population.

In the cactus population, the character with average number of spines if preferred over the other two traits as the cactus with very few spines tend to be eaten by animals and the cactus with many spines tend to be preferred by the parasitic insects. Thus, the cactus with average number of spines is preferred as it shows more rate of survival than the other two types of cactus.

Therefore, the correct option is D.

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D. This is an example of a stabilizing selection in which the intermediate form of a trait is advantageous compared to the extreme forms of the trait.

The scenario described represents a stabilizing selection, where the intermediate form of a trait—in this case, the average number of spines—is advantageous compared to the extreme forms of the trait. Cacti with very few spines are vulnerable to being eaten by animals, while those with many spines are preferred by parasitic insects. Consequently, cacti with an average number of spines are favored, as they strike a balance between protection from herbivores and susceptibility to parasitic insects. This stabilizing selection maintains the prevalence of cacti with an intermediate number of spines in the population, as they are better suited to survive and reproduce in their environment than those with fewer or more spines.

A new species is discovered and scientists are trying to classify it. One of the key features found is that the species is entirely dependent on other organisms for its food necessary to sustain life. What type of species is this?

Answers

Answer:

Parasitic

Explanation:

The species that is described is a parasitic species. The reason why it will fall into this category is that its key feature is that it is entirely dependent on other organisms for its food. This type of species are not able to produce food for themselves, nor are able to get it from the environment, which is way they have evolved in a manner to use the other organisms. They find a host organisms, attach to it, and then they are extracting the nutrients out of that organism, thus classical parasitism. The extraction of the nutrients can be so severe that the parasitic species can actually kill systemically its host.

Answer:

A. Heterotrophic

Explanation:

Took thei test!

In what way are the humerus and the femur similar?

Answers

Explanation/Answer:

The femur and the humerus both have the medial and lateral epicondyles, they both have a head where they connect to the body, they also both have a shaft on the anterior surface. They have bony markings that are alike but not alike, the femur has a greater trochanter and a lesser trochanter, were the humerus has greater and lesser tubercle. The femur has a neck that is larger and can be more distinguished where the humerus's neck is small and can barley be seen.

Final answer:

The humerus and femur are similar in their classification as long bones, their internal structures, and their role in body support, movement and blood cell production.

Explanation:

The humerus and femur are similar in several ways. Firstly, both are classified as long bones, which are characterized by their long, cylindrical shape. This shape is critical for their function as levers during body movement. While the humerus is found in the upper limb, specifically the arm, the femur is located in the lower limb, in the thigh region.

Secondly, the humerus and femur have similar internal structures. They both have a marrow cavity filled with bone marrow, and this cavity is encased within a layer of compact bone. At each end, they consist of spongy bone covered by compact bone which forms the joint surface.

Finally, both bones play important roles in body support and movement, as well as in the production of blood cells, a process known as hematopoiesis, which takes place in the red bone marrow present in these bones.

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Why must the sperm and egg undergo meiosis? so that the offspring will have 1/2 the chromosomes so that the offspring will have the correct number of chromosomes so that the offspring will have double the number of chromosomes

Answers

the male gamete and the female gamete undergo meiosis so that the complete number of chromosomes decrease to half therefore after fertilization which is the fusion of the male gamete with the female gamete they form the zygote which has the complete number of chromosomes

Answer:
So that the offspring will have the correct number of chromosomes
Explanation:
I'm sorry this might be a little late but I hope this helped! :)

Which of the following accurately describes the function of motor neurons? A. Carry automatic nerve signals to organs like the heart B. Conduct information between nervous systems in the brain C. Carry nerve impulses to the brain from skin and other sensory organs D. Carry nerve impulses from the brain to skin, glands, and muscles

Answers

Answer:

The correct answer option is D. Carry nerve impulses from the brain to skin, glands, and muscles

Explanation:

Motor neurons carry signals out of the Central Nervous System (CNS).

These motor neurons have long extensions called axons which spread from the CNS to the muscles that connect with the innervate.

The information from the brain to the muscles and other glands is sent in the form of electrical impulses via the spinal cord.

D. Motor neurons carry nerve impulses from the brain to skin, glands, and muscles describes the function of motor neurons. Option D is correct.

Motor neurons are a type of nerve cell that play a crucial role in the transmission of nerve impulses from the central nervous system (CNS) to the body's effectors, which include muscles, glands, and some organs. They are responsible for initiating and controlling voluntary movements and other motor functions.

Option D accurately describes the function of motor neurons. These neurons transmit signals from the brain and spinal cord, collectively known as the CNS, to the peripheral nervous system (PNS) and its effectors. The nerve impulses generated in the brain travel down the spinal cord and are then transmitted through motor neurons to reach their target muscles, glands, or skin cells.

By carrying these nerve impulses, motor neurons enable voluntary muscle contractions, allowing us to move our limbs, perform actions, and control the movements of our skeletal muscles. They also play a role in regulating glandular secretions and controlling the response of smooth muscles in organs.

Options A, B, and C do not accurately describe the function of motor neurons. Option A refers to autonomic neurons, which control involuntary functions of organs like the heart, while option B refers to interneurons that transmit information within the CNS. Option C refers to sensory neurons, which carry nerve impulses from sensory organs to the brain.

In summary, motor neurons are responsible for transmitting nerve impulses from the brain to muscles, glands, and skin. They play a critical role in enabling voluntary movements and controlling various motor functions in the body.

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What's the role of a primary consumer in the food web? A. To break down organic matter in the soil B. To eat producers and produce energy C. To eat secondary consumers and produce energy D. To combine parts of the ecosystem into one nutrient

Answers

Answer: Option B

Explanation:

The primary consumers are always herbivores, they feed on the plants for their energy requirement.

These animals or organisms feeds on the plants( producers) for the energy requirement. Once they have nutrients in their body it is used by the secondary consumers, as the primary consumers are food for secondary consumers.

PLEASE HELPPP
ANALOGY- - Continental drift: theory of landmass movement as mechanism:
A. sea- floor spreading
B. fossil evidence
C. paleomagnetism
C. Mid- ocean ridge

Answers

Answer:

I would say fossil evidence because fossil and rock clues are what led to Wegener's theory of Continental Drift

The continental drift that demonstrates a theory of landmass movement as a mechanism shares an analogy with fossil evidence. Thus, the correct option for this question is B.

What is Continental drift?

Continental drift may be defined as the hypothesis that involves a significant movement of continents resulting from the gradual and continuous motion of tectonic plates.

The absolute and most valid evidence for continental drift includes the pertinent of the continents; the scattering of ancient fossils, rocks, and mountain ranges; and the geographical locations of ancient climatic zones.

Among the options given below, only fossil evidence matches that of continental drift. So, it is an exact answer.

Therefore, fossil evidence is the mechanism that shares the analogy with the continental drift that demonstrates a theory of landmass movement. Thus, the correct option is B.

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!!PLEASE I NEED HELP PUTTING THESE IN ORDER!! THANK YOU ​

Answers

Answer:

Ground squirrel

Scorpion

Kit Fox

Plant

In that order

David works at an adhesive manufacturing plant. Which industrial solvent is he likely to use?
A.
ozone
B.
carbon
C.
nitrogen oxide
D.
methyl chloroform

Answers

Answer:

methyl chloroform

Explanation:

Methyl chloroform is an industrial based solvent used in various adhesives.

Formula : C₂H₃CI₃

Boiling point: 74 °C

David is likely to use methyl chloroform (1,1,1-trichloroethane) as an industrial solvent in an adhesive manufacturing plant, though its use has been declining due to its role in ozone depletion. Hence the correct option is D.

David, who works at an adhesive manufacturing plant, is likely to use methyl chloroform as an industrial solvent, also known as 1,1,1-trichloroethane. Industrial solvents are used for dissolving substances to create adhesives. Although historically used, methyl chloroform has been phased out in many countries due to environmental concerns, as it is a significant ozone-depleting substance. For instance, compounds like carbon tetrachloride were once popular industrial solvents and were used for tasks such as stain removal and fire extinguishing, but are now restricted due to their toxicity and environmental impact.

1. Which of the following statements regarding the moon is correct?

A. The moon is tidally locked to Earth.
B. The moon's surface exhibits plate tectonic activity.
C. The moon's surface exhibits active volcanism.
D. The moon's surface doesn't have any craters.

2. How are elements that are heavier than hydrogen spread throughout the universe?

A. When a star collapses into a neutron star
B. When a star explodes as a supernova
C. When a star forms into a red giant
D. When a star collapses as a black hole

3. The Milky Way is held together by a black hole's gravitational force. Since the stars near this black hole move at a high speed, what can you infer about the black hole?

A. Its location
B. Its size
C. Its depth
D. Its speed


4. Suppose scientists believe that they've discovered a new planet. Which of the following must be true for the object they've found to qualify as a planet?

A. It must be capable of supporting life.
B. It must have minimal gravity forces.
C. It must be shaped like an ellipsis.
D. It must follow a closed orbit around a star.

Please help :) thanks

Answers

1

Answer:

The moon's surface exhibits active volcanic activity.

Explanation:

According to observations made from outside earth's surface, the moon has got active volcanic activity going on there.

Other than the moon, the other ones are:

Earth.Venus.Saturn's moon Enchiladas. Neptune's moon Triton.

This volcanic activity causes mass movement of land masses from their original position to a new position.

2

Answer:

B. When a star explodes as a supernova

Explanation:

Elements are spread thought the universe in many different ways.

Elements that are heavier than hydrogen are formed in the massive stars and spread in the universe when the massive stars end in supernova explosions.

After this explosions, this elements that there before are held in the massive stars are released into the universe.

3

Answer:

B. Its size

Explanation:

By accessing the speed at which the objects around the black hole move, we can determine its mass which is its size.

Since a black hole cannot be seen, we identify its mass and location through observing and analyzing the movement of objects like stars around it, if they appear to be moving at a very high speed, then that infers that there is a large black hole that is making the stars spin.

4

Answer:

D. It must follow a closed orbit around a star.

Explanation:

In order for an object to qualify to be a planet it must follow a closed orbit around a star.

A good example is the planet earth, it follows a closed orbit around a star with the star being the sun.

Other qualifications are:

It must have enough gravitational pull that leads it to be in a spheroidal shape.

The correct statement regarding the moon is:

A. The moon is tidally locked to Earth.

What is the meaning of "The moon is tidally locked to Earth."

The moon is tidally locked to Earth, which means that the same side of the moon always faces Earth. This occurs due to the gravitational forces between the Earth and the moon.

2. Elements that are heavier than hydrogen are spread throughout the universe when:

B. When a star explodes as a supernova.

During a supernova, the explosion of a massive star releases enormous energy and spreads heavy elements, synthesized in the star's core through nuclear fusion, into the surrounding space. This process disperses elements like carbon, oxygen, iron, and others into the universe.

3. Regarding the black hole holding the Milky Way together and the high speed of nearby stars, the inference that can be made is:

B. Its size.

4. For the object scientists discovered to qualify as a planet, the following must be true:

D. It must follow a closed orbit around a star.

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The rearrangement of genetic information so that offspring can inherit new genetic combinations is called

Answers

Answer: recombination

Explanation:

Which energy transformation occurs first in a coal-burning power plant.

A. Chemical energy to thermal energy
B. Thermal energy to mechanical energy
C. Thermal energy to electrical energy
D. Mechanical energy to electrical energy

Pls, I need the real answer it is for a test. If you don't know the answer just say so PLS.

Answers

Transformation occurs first in a coal-burning power plant is Chemical energy to thermal energy.

Answer: Option A

Explanation:

Coal-burning power plants produce power by consuming coal in an evaporator to deliver steam. The steam delivered, under gigantic weight, streams into a turbine, which twists a generator to make power. The steam is then cooled, dense once again into water and came back to the evaporator to begin the procedure once again.

The combustion of coal releases a energy which is a chemical energy and as it releases electricity due to high temperature , the first transformation occurring in coal burning power plant is chemical to thermal energy.

I Need Help ASAP...Please..
1. Which statement correctly describes the immune system of a person with AIDS?
A)it has many memory cells
B) the number of helper T cells is low
C)it uses only humoral response
D)it has more antibodies than it can see

2. Which statement applies to viral pathogens but not bacterial pathogens?
A)doctors have had much success treating the disease
B) they all cause the influenza disease
C) They all cause an autoimmune response
D) Antibiotics have no effect on them​

Answers

Answer:

1. B

Explanation:

AIDS shuts down cells that fight against possible bad cells. With AIDS those cells are limited.




The human pancreas is an organ that plays an important role in the process of digestion. The pancreas secretes an enzyme known as trypsin which helps to break down protein molecules.
Which statement BEST describes what occurs to a molecule of the enzyme trypsin AFTER it binds to a molecule of protein?
A) After binding to a protein molecule, the trypsin molecule is destroyed and must be replaced.
B) The combined trypsin and protein molecule is utilized for energy to power cellular functions.
C) After binding to the protein molecule, trypsin is converted to a lipid and used for energy storage.
D) The trypsin molecule is not chemically altered by the reaction with protein and may be used again.

Answers

Answer:

D) The trypsin molecule is not chemically altered by the reaction with protein and may be used again.

Explanation:

Answer:

The trypsin molecule is not chemically altered by the reaction with protein and may be used again.

Explanation:

took the test

Other Questions
You have a cup of tea (250 ml) that is 375 K which is too hot to drink. It needs to be cooled to 350 K before you can drink it. How much thermal energy has to be transferred from the tea to the surroundings to cool the tea? Show all work and include units. Help me please! Stressing out :,( A 75.0-liter canister contains 15.82 moles of argon at a pressure of 546.8 kilopascals. What is the temperature of the canister? 77) Decide if the following French sentence is grammatically correct or incorrect.C'est ta montre? Non, c'est celle de Philippe.CorrectIncorrectDecide if the following French sentence is grammatically correct or incorrect.Il tudie srieuxment.CorrectIncorrectWhich word is similar in meaning to "se connecter"?ouvrir une sessiontlchargernaviguersauvegarderDecide whether "il faut" or "pour" should complete the following sentence.Je fais mes devoirs _____ russir l'cole.il fautpourTrue or False: In the sentence below, the past participle needs to agree with the subject. Je me suis bross les dents.TrueFalseFill in the blank with the French word that best completes the following sentence.Ma mre n'est pas marie; elle est une ______ .bnvolemre clibatairealcooliqueracisteChoose the best indirect object pronoun to replace the underlined word in the following sentence.J'ai tlphon (mes parents).luileurFill in the blank with the word that is missing from the following French expression.___ brave.FaireAvoirtreVenirChoose the best translation of the following sentence.Mondays, I watched television.Lundi, j'ai regard la tl.Le lundi, je regardais la tl.Lundi, je regardais la tl.Le lundi, je regardait la tl.Choose the best translation of the following sentence.She will watch TV this evening.Elle regarderai la tl ce soir.Elle regardai la tl ce soir.Elle sera regardera la tl ce soir.Elle regardera la tl ce soir.Choose the French word that best completes the following sentence.Le voleur est un _____ .jugetmoinavocatcriminelChoose the best translation of the following sentence.She was at the movies when he called.Elle a t au cinma quand il tlphonait.Elle tait au cinma quand il a tlphon.Elle tais au cinma quand il tlphonais.Elle est t au cinma quand il est tlphon.Which of the following is not a common phrase that contains celui?celui quicelui decelui ocelui queTrue or False: The expression "il est interdit" must always agree with what is forbidden.TrueFalseFill in the blank with the appropriate form of "interdit".On lui a _____ de parler.interditinterditeinterditsinterditesFill in the blank in the following sentence with "en" or "y" as appropriate.Nous ___ achetons.yenFill in the blank with the French word that best completes the following sentence.Je mets mes lunettes dans ma poche ou dans mon _____ .saccolliercharpeserrDecide if the following French sentence is grammatically correct or incorrect.Je voudrais de l'eau.CorrectIncorrectChoose the best translation of the following sentence.I love to read, therefore I love to go to school.J'adore lire donc j'adore aller lcole.J'adore lire mais j'adore aller lcole.J'adore lire puis j'adore aller lcole.J'adore lire car j'adore aller lcole.Fill in the blank with the French word that best completes the following sentence.Je ne peux pas aller au parc parce que je suis ____ .d'accorden train demaladeen reta.rdDecide if the following French sentence is grammatically correct or incorrect.Vas-en!CorrectIncorrectFill in the blank with the French word that best completes the following sentence.Le week-end, il aime _____ sur l'internet.copierenregistrernaviguercliquerChoose the best translation of the following sentence.In order to succeed it is necessary to work.Il faut russir pour travailler.Pour travailler il faut russir.Pour russir il faut travailler.Il faut russir il faut travailler.Choose the best indirect object pronoun to replace the underlined word in the following sentence.Paul a crit (Danielle).luileur Please help me with this!!! If the path-length differences between two identical and coherent beams is two wavelengths when they arrive on a screen, will they produce a dark or a bright spot?a. bright spotb. dark spot solve 3(x+1)=7(x-2)-3 The word ain't is classified as standard usage because so many people use it.TrueFalse Nancy Stone has a small company and has negotiated a special rate for rental cars when she and other employees take business trips. The maximum charge is $45.00 per day plus $0.40 per mile. Discounts apply when renting for longer periods of time or during off-peak seasons. Write a linear inequality that models the total cost of the daily rental c(m) as a function of the total miles driven, m. What is the English word for quiero What is the equation of the axis of symmetry of the graph of y + 3x 6 = 3(x 2)2 + 4? How do plants overcome the lack of locomotion to find mates and disperse offspring? PLEASE HELP!! 45 POINTS1. In human beings, cells are structured differently based on what they need to do. True False2. The integumentary system covers the entire human body. True False3. Matching a person's appearance to a DNA sample involves what technique? SNP analysis Base-matching RNA analysis Allele pairing4. What is one of the functions of the integumentary system, which includes skin and hair? Provide important minerals to the body Prevent passive transport Regulate body temperature Fight infection5. Cell theory was proposed initially by a zoologist and which other type of scientist? Biologist Chemist Entomologist Botanist6. Humans and animals store energy in monosaccharides, found in our muscles and liver. True False7. Lipid macromolecules, or "fats," store energy and make up the plasma membrane of cells. True False8. From the map, which state has experienced the least amount of change in population from 1990 to 2000? North Dakota Texas Oregon9. What is the most basic unit that makes up a piece of granite? Grains of dirt Cells Sand Atoms10. In the levels of organization for biological systems, you identify populations, tissues, organs, and organisms. Which of these four is the smallest level of organization? Population Tissue Organ Organism11. An organism, by definition, consists of multiple cells. True False12. You are examining a substance found at a crime scene. Using a chemical test, you are able to determine that glycogen is present in the substance. What does this mean for your investigation? The substance is from an animal source. The substance is the poison ricin. The substance is from a plant source. The substance is a lipid.13. You are examining evidence from an old crime scene. You have a blood sample, but you believe that the sample may be too degraded to get DNA from. You decide to try to retrieve mtDNA from the sample and compare it to a sample from your suspect. What information could this sample give you? That the blood at the crime scene belonged to your suspect That the suspect has blond hair and blue eyes That there is a maternal relation between the two people That the person from the crime scene have been near the suspect 14. What do amino acids link together to form during protein synthesis? Polypeptide chain Polysaccharide Ribosome DNA code15. Ricin kills by attacking what part of a cell? The membrane, causing cells to dissolve The ribosomes, causing cells to "starve" The nuclei, causing cells to collapse The DNA, causing cells to be unable to reproduce themselves Which excerpt from Seventh Grade shows a moment when Mr. Bueller acts in a way that is different from what Victor expects? Find the x-intercepts of the parabola with vertex (5,-4) and y-intercept (0,96). Write your answer in this form: (x1,y1),(x2,y2). If necessary, round to the nearest hundredth. A paddle wheel on a boat is 4 feet in diameter. The fins along the outer edge travel at a speed of 1.3 feet per second. How long does it take the paddle wheel to complete 100 full revolutions? Round to the nearest second. 20 points multiple choice, pls hurry! For most ecosystems the ultimate source of energy isA.plantsB.producersC.the sunD.water Identify the subject and the verb in the sentence. Beside the apartment? building, a smelly dumpster overflowed with trash. A. Subject?: trash ?Verb: beside B. ?Subject: apartment ?Verb: overflowed C. ?Subject: dumpster ?Verb: beside D. ?Subject: dumpster ?Verb: overflowed The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the functions domain? Steam Workshop Downloader