The independent variable here is the temperature of the batteries. It is the variable being manipulated throughout the experiment.
The dependent variable is the amount of battery power each individual battery will have after testing.
The constants are the different temperatures each of the three batteries are exposed to, as they don't actually change at any point during the experiment.
And finally the control group is the battery not exposed to a modified temperature, i.e the one sitting on the desk.
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What organisms belong to the phylum molluska
Answer:
Molluscans are very diverse animals and form an important part of the ecosystem in the world. Snails, octopuses, squids, oysters, clams etc. all belong to Phylum Mollusca.
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What technique enables scientists to determine if this really is the body of jimmy hoffa
Teeth bones fingerprints foot
The technique that enables scientists to determine if this really is the body of Jimmy Hoffa is known as DNA fingerprinting.
What is DNA fingerprinting?DNA fingerprinting may be defined as a type of laboratory technique that is significantly utilized in order to determine the probable identity of a person on the basis of nucleotide sequences of certain regions of human DNA that are unique to individuals.
This laboratory technique is employed by forensic scientists in order to assist in the identification of individuals or samples by their respective DNA profiles. So, when it comes to determining the body of Jimmy Hoffa, it would definitely requires a technique of DNA fingerprinting.
Therefore, the technique that enables scientists to determine if this really is the body of Jimmy Hoffa is known as DNA fingerprinting.
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Which sequence correctly shows the path of carbon dioxide during respiration? A)body cells, alveoli, capillaries
B)body cells, capillaries, alveoli
C)alveoli, capillaries, body cells
D)capillaries, alveoli, body cells
body cells, capillaries, alveoli (A)
The answer is A.......
In which situations is work being done?
Hannah leans against her locker, but it doesn’t move.
Andy’s car rolls down a hill with the engine off.
A wind turbine stands still on a sunny, windless day.
A balloon expands as it is heated by the Sun.
James pedals a stationary exercise cycle that doesn’t move.
james pedals a stationary exercise cycle that doesn’t move
Answer:
Option D
Explanation:
Work is done when an object displaces from its initial position on the application force.
In option A, the car rolls down without the application of force and hence it is not correct.
In option B , Turbine is standing still and hence again there is no force or displacement which could lead to work. Hence, it is also incorrect
In option C, the internal molecules of balloon starts moving after gaining heat energy but there is no displacement of balloon overall and hence the work done is zero.
However, in option D work is done in pedaling the cycle. The number of revolutions of the cycle is counted which is cal-liberated and converted into distance in kilometers. Hence, it is correct
Describe homeostasis. How does the cell membrane maintain a stable internal environment?
Homeostasis involves maintaining balance of several factors that make a cell healthy. The job of the cell membrane is to regulate the passage of materials into and out of the cell. In order for any materials to go in or out of the cell, they must cross through the cell's membrane.
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- Danielle xo
homeostasis is the internal balance of the human body. the cell membrane maintains a stable internal environment by balancing the pH, temperature, glucose, and water balance
A specimen able to produce ATP through cellular respiration, but lacking in chloroplast. Animal or Plant and why
Answer:
Animal
Explanation:
Animal and plant cells both carry out cellular respiration to generate ATP molecules that store energy for cellular processes. However, only plants have chlorophyll that taps on sunlight for photosynthesis. Plants use photosynthesis to create carbohydrates that are ‘burned’ in cellular respiration for energy.
Ducks have waterproof feathers that help maintain their body temperature. Which body system are these characteristics a part of?
A.
reproductive
B.
respiratory
C.
immune
D.
endocrine
E.
integumentary
Answer:
E. integumentary
Explanation:
The integumentary system is consisted of hair, feathers, skin, glands, nerves, nails, with its main function being to act as a protective barrier of the body from the outside world. It helps in regulation of the body temperature, retaining body fluids, elimination of waste products, and protection form diseases. The waterproof feathers of the ducks are a nice example of this. They manage to keep their bodies warm in the water, thus helps them a lot in the regulation of the body temperature by being a barrier between the body and the water.
E: integumentary. hope this helps
Plz Help me
Describe the two patterns of metamorphosis that happen in the life cycles of insects. Use an example of a specific insect to describe each pattern.
The butterfly and the dragonfly are the two types of metamorphosis that occur in the life cycles of insects.
What is Metamorphosis?A butterfly goes through a full metamorphosis, as contrast to a dragonfly, which simply goes through the three stages of egg, larva, and adult.
A biological process called metamorphosis involves an obvious and relatively sudden change in the animal's body shape as a result of cell proliferation and differentiation. It includes birth transformation or hatching.
Metamorphosis is a process that occurs in some insects, fish, amphibians, mollusks, crustaceans, cnidarians, echinoderms, and tunicates.
Therefore, The butterfly and the dragonfly are the two types of metamorphosis that occur in the life cycles of insects.
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Final answer:
Insects undergo two main patterns of metamorphosis: gradual metamorphosis, where insects like grasshoppers change subtly, and complete metamorphosis, involving a significant change through stages as seen in butterflies.
Explanation:
There are two main patterns of metamorphosis in the life cycles of insects: gradual metamorphosis and complete metamorphosis.
Gradual Metamorphosis (Hemimetabolous)
In gradual metamorphosis, an insect increases in size by molting and maintains the same basic body characteristics throughout its life. The life stages include egg, immature (nymph or naiad), and adult. For example, a grasshopper undergoes gradual metamorphosis. The nymph looks like a small version of the adult but without wings, which develop later as it grows.
Complete Metamorphosis (Holometabolous)
Complete metamorphosis, on the other hand, involves four distinct life stages: egg, larva, pupa, and adult. Each stage looks completely different from the others. The larvae, like a caterpillar of the butterfly, look very different from the adult, and a profound transformation occurs during the pupa stage. This type has the highest biodiversity among insects, such as beetles, butterflies, and flies.
A root is absorbing water from the soil. Which route will the water travel inside the root?
A.
Cambium --> phloem --> xylem --> stele --> endodermis --> cortex --> epidermis
B.
Xylem --> phloem --> endodermis --> stele --> epidermis --> cortex --> cambium
C.
Epidermis --> cortex --> endodermis --> stele --> xylem --> phloem --> cambium
Answer:
The correct answer is option A.
Cambium --> phloem --> xylem --> stele --> endodermis --> cortex --> epidermis
Explanation:Hope this helps. Name me brainliest please
Answer:
ITS NOT A FOR EDMENTUM!!! I TIRED AND GOT IT WRONG!!!
Explanation:
On a weather map, which type of front is shown by a line with triangular points on one side?
on a weather map the type of front shown by a line with triangle points on one side is called a cold front
On a weather map, the type of cold front is shown by a line with triangular points on one side.
What is a weather map?Any map or chart that depicts the meteorological elements at a given time over a large area is referred to as a weather map.
Curved red lines with red semicircles indicate warm fronts. Cold fronts are represented by curved blue lines with blue triangles.
Stationary fronts have sections of red curves with semicircles and blue curves with triangles that alternate. Curved purple lines with semicircles and triangles form occluded fronts.
A cold front is represented on weather maps by a solid blue line with filled-in triangles along it. The triangles generally act as arrowheads, pointing in the direction of movement of the front.
Thus, the answer is cold front.
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will give brainlist!!!!!! In Figure 20-1, which air masses would be associated with cold, wet conditions? (1 point)
A and E B and D A and D G and F
(1 point)
Answer:
??????????????
Explanation:
????????????????????????????
In Figure 20-1, air masses A (mP) and D (cT) are associated with cold, wet conditions because they are either cold and moist (maritime polar) or warm and moist after picking up moisture over water (continental tropical).
The air masses associated with cold, wet conditions in Figure 20-1 are A and D.
Here’s why:
Air mass A: This air mass is labeled as mP, which stands for maritime polar. Maritime air masses originate over water, so they are inherently moist. The "P" in mP indicates that the air mass is polar, meaning it is cold. Therefore, air mass A is cold and wet.
Air mass D: This air mass is labeled as cT, which stands for continental tropical. Continental air masses originate over land, so they are generally dry. However, the "T" in cT indicates that the air mass is tropical, meaning it is warm. When warm air masses move over cold surfaces, such as the ocean, they can pick up moisture through evaporation. This process makes air mass D cold and wet.
Air masses B, C, E, F, and G are associated with different conditions:
Air mass B: This air mass is labeled as mT, which stands for maritime tropical. This air mass is warm and moist.
Air mass C: This air mass is labeled as cP, which stands for continental polar. This air mass is cold and dry.
Air mass E: This air mass is labeled as cEq, which stands for continental equatorial. This air mass is warm and moist.
Air mass F: This air mass is labeled as cA, which stands for continental Arctic. This air mass is very cold and dry.
Air mass G: This air mass is labeled as msT, which stands for maritime subtropical. This air mass is warm and moist.
Therefore, the answer is A and D.
The blood passes through our body in a sytem called the circulatory system. We have a double circulatory system. Why is it called this and what are the two pathways that blood takes?
Answer:
We call it
Double circulation bcoz their are 3 circulation exist between heart, lungs and body organs.
EXPLANATION :
Flow of blood is left to right
1. Pulmonary circulation
Right ventricle -pulmonary artry - lungs - pulmonary veins - left artria
2. Systemic circulation
Left ventricle - systemic artry - body organs - systemic veins- right artria
Match each role within an atom to its correct subatomic particle
Answer:
1 = identity of the atom
2 = acts as a buffer
3 = chemical behavior of atom
Explanation:
The atomic number seen on the periodic table is because of the number of protons. Electrons are lost and gained in chemical reactions. Neutrons are neutral, but do add mass to the nucleus/atom.
Answer:
1. Identity of the atom, matchs with Proton.
2. Chemical behaviour of atom, matchs with Electron.
3. Acts as buffer between protons in nucleus to help stabilize nucleus and add mass to atom, matchs with Neutron
Explanation:
Protons are subatomic particles located in the nucleus, that has a possitive charge and that never change (number of protons remains always the same for a particular element). Because of this property are considered the identity of an atom and defines a constant variable called atomic number.
Electrons are another kind of subatomic particles that are located outside the nucleus and does not contribute with significan amount of mass to the atom. This kind of particles, freely moves around the nucleus and are responsibles for the interaction and formation of bonds between elements (it means of their chemical behaviour).
Neutrons are also located in the nucleus and signifficantly contributes to the total mass of an atom. The sum of neutrons and protons constitute the mass number of an atom.
what does GMO stand for
Answer:
Genetically Modified Organism
Explanation:
Genetically Modified Organism.
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Blood is transported throughout the body through both arteries and veins, but a significant difference between the two is the presence of valves in veins. Some people develop chronic venous disease (CVD), which initially causes higher venous blood pressure and vein dilation, resulting in weakened vein valves. What do you predict would happen as the valve damage progresses?
A) Blood would leak backwards through the damaged valves due to gravity, causing lower leg swelling.
B) Veins would thicken and constrict, causing a restriction in blood flow, and leading to arterial leakage.
C) Veins would carry a both oxygenated and deoxygenated blood away from the legs, causing oxygen deficiency.
D) Blood flow would increase through the veins since the blood would not be impeded by valves.
Answer:
A. Blood would leak backwards through the damaged valves due to gravity, causing lower leg swelling.
Explanation:
The passage of blood is always in a single direction in the vein due to the presence of valves in the veins.
Any kind of vein injury or vein rupture, causes the valves in the veins to not function in an appropriate manner. The injury might result in inappropriate opening and closing of these valves. The inappropriate functioning of the valves causes the blood to flow backwards. This will eventually lead to blood pooling and putting more pressure on the lower leg veins. hence, there would be swelling in the lower legs.
Answer:
The Answer is A. Blood would leak backwards through the damaged valves due to gravity, causing lower leg swelling.
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Why is the action of phagocytes considered a nonspecific response? It does not occur at any specific temperature. It is not involved with the production of any specific type of lymphocyte. It does not respond to any specific type of hormone. It is a response to any type of harmful substance.
The action of phagocytes is considered a nonspecific response because D. It is a response to any type of harmful substance.
The action of phagocytes is considered a nonspecific response because phagocytes, such as macrophages and neutrophils, are part of the innate immune system, which provides the body's first line of defense against pathogens. These cells do not distinguish between different types of harmful substances; instead, they respond to a broad range of invaders, including bacteria, viruses, and other foreign particles.
When they encounter any harmful substance, they engulf and digest it through a process called phagocytosis. This generalized response is effective against many potential threats but lacks the specificity and memory of the adaptive immune system, which targets specific pathogens with precision and retains memory for quicker responses upon future exposures. The correct answer is D.
Complete Question:
Why is the action of phagocytes considered a nonspecific response?
A. It does not occur at any specific temperature.
B. It is not involved with the production of any specific type of lymphocyte.
C. It does not respond to any specific type of hormone.
D. It is a response to any type of harmful substance.
The correct option is D. It is a response to any type of harmful substance.
Phagocytes and Nonspecific Response: The action of phagocytes is considered a nonspecific immune response because they do not target specific pathogens. Instead, phagocytes, such as macrophages and neutrophils, respond to a wide variety of harmful substances, including bacteria, viruses, and debris.
Mechanism: Phagocytes recognize, engulf, and digest any foreign particles through a process called phagocytosis, regardless of the pathogen's specific identity.
Innate Immunity: This nonspecific action is part of the body's innate immune system, which serves as the first line of defense against infection by providing a general protective response to potential threats. Unlike the adaptive immune system, which tailors its response to specific pathogens via lymphocytes, the innate immune system, including phagocytes, acts broadly and immediately against any harmful invader.
Complete question is shown below:
Why is the action of phagocytes considered a nonspecific response?
A. It does not occur at any specific temperature.
B. It is not involved with the production of any specific type of lymphocyte.
C. It does not respond to any specific type of hormone.
D. It is a response to any type of harmful substance.
Which organelle is responsible for producing the energy for cellular processes ?
Can you take a picture of the whole screen please, I don’t know that the organelle letters are
Which type of reproduction involves only one parent?
Answer: Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent.
Explanation:
The graph shown is a velocity-time graph of an object. What is the acceleration of the object from 6.0 to 10.0 seconds?
Answer:
1.8
Explanation:
The acceleration is given by the slope of the line. The middle section is the only section where the object is accelerating and the slope yields 1.8 m/s2.
Answer:
1.8 m/s^2
Explanation:
An example of a single gene trait is
A) beak size in the Galápagos finches.
B) fur color in cats.
C) length of snails.
D) bands on a snails shell.
Please respond ASAP, thank you.
Answer:
the answer is c
Explanation:
Which structures allow fungi to obtain nutrients they need for survival?
Answer:
the answer is Hyphae
Explanation:
Hyphae are important structures required for growth in these species, and together, are referred to as mycelium.
it is use for Nutrient absorption from a host, nutrient absorption from soil, trapping structures, and nutrient transportation
Only the smallest particles of soil can be displaced by suspension because:
Answer:
Only the smallest particles of soil can be displaced by suspension because they are easily carried by the wind.
Explanation:
Only the smallest particles of soil can be displaced by suspension because they are easily carried by the wind.
Answer:
Suspension is a process in which the finer particles are carried by wind and water and are transported from one place to another.
The soil is comprised of various particles ranging in different sizes. These particles are of comparatively much lower density, that it can be easily lifted by the agents such as wind and water and transported to distant places. Strong wind has the ability to carry this particles to a great distance.
i need help with the 2nd question
Answer: 1. It is always known as a mutation
Explanation: It is always known as a mutation. Mutation is a spontaneous change and may be useful or dangerous, also there may be no effects at all. It can be inherited by offspring depending entirely on the type of mutation and where it has occurred.
Marcia is given an incomplete chemical equation that includes the number of nitrogen atoms present in the products of the reaction. How can she conclude that the reaction started with three nitrogen atoms?
Answer:
She can conclude that the reaction started with three nitrogen atoms because she can be based in the law of conservation of matter which states that the amount of matter in a system is conserved: there were three atoms of nitrogen in the reactants and they produced three atoms of nitrogen.
Explanation:
In science, a law is a general statement that explains a large number of observations. One law that provides the foundation for understanding in chemistry is the law of conservation of matter: it states that in any given system that is closed to the transfer of matter (in and out), the amount of matter in the system stays constant, or in other words, the amount of matter in a system is conserved.
So, in this case, for Marcia to conclude that the reaction started with three nitrogen atoms, she can be based in the law of conservation of matter, and because the matter of that system is conserved, there were three atoms of nitrogen in the reactants and they produced three atoms of nitrogen.
Answer:
There would have to be three nitrogen atoms in the products. The law of conservation of matter states that the amount of substance before a reaction occurs should be the same as the amount of substance after the reaction.
Explanation:
Which kingdom is made up of mostly, but not exclusively, unicellular organisms?
Plantae
Archaea
Animalia
Protista
Answer:
The correct answer would be protista.
Explanation:
The kingdom Protista includes the unicellular eukaryotes. Protists are a diverse kingdom of living beings that are mostly unicellular but some are multicellular. These multicellular organism does not show highly specialized tissues organization.
They show similar characteristics to animals, plants or fungi. Protists can be heterotrophic or autotrophic such as algae, kelp, Paramecium.
Thus, the correct answer is Protista
Why are there many niches of species in one mountain?
A. The leeward and wayward sides of the mountain have different elevations. B. There's no water on the top of a mountain to support life. C. The elevation changes of the mountain cause different climates. D. The biotic factors on the mountain force interspecific competition.
Answer:
b
Explanation:
Answer: Option D
Explanation:
In interspecific competition two species use the same resource that is found at a particular place in a limited amount.
A niche is can be defined as a place which defines a set of conditions, resources and interactions it needs.
This states that one mountain can have many niches as more than two species compete for the same biotic resource.
seasons occur because the earth revolves and is on its axos
Answer:
We have seasons because the earth is tilted (wonky) as it makes its yearly journey around the sun. The Earth's axis is tilted at an angle of 23.5 degrees. This means that the Earth is always "pointing" to one side as it goes around the Sun.
Explanation:
If you were digging a well, what would you need to dig down far enough to reach?
A. a cave
B. a karst
C. porous rocks
D. the water table
Answer:D.the water table
Explanation: when wells are dug , they are dug to the point where all the pore spaces are completely saturated so that they can be filled up with water, when the water table is reached.
This is where groundwater fills the sediments and porous rocks or cracked rocks.
Above the water table we find the unstaturated zone which is called zone of aeration since it is made up of soil that contains oxygen.
The height of water table depends on the land surface above it. The source of groundwater is rain , during precipitation water get seeped through soil surface . Changes in precipitation are responsible for the level of groundwater.
All cells have some universal features. Which of these is a universal feature found in every single cell on earth?
A. Ribosomes B. Mitochondria C. Cell wall D. Golgi apparatus
Answer:
Ribosomes
Explanation:
Universal features of all cells are features that are shared by all cells whether the cells are prokaryotic or eukaryotic. These universal features include; ribosomes, plasma membrane, DNA and cytoplasm.Ribosomes are organelles that are responsible for the synthesis of proteins through translation process.DNA is the genetic material in a cell. Plasma membrane is the outer covering of cell that regulates the movement of materials in and out of the cells.Cytoplasm on the other hand is the part of a cell where all cellular structures are suspended.All living things on Earth contain ribosomes, which are basic and universal cellular structures. Therefore, the correct option is A.
These small RNA and protein-containing organelles are essential for protein synthesis. They serve as the site where genetic data from DNA is translated into useful proteins, which are important for many cellular activities. Both prokaryotic (such as bacteria) and eukaryotic (such as plant and animal cells) cells contain ribosomes. The primary function of ribosomes is conserved in all organisms, despite some differences in their structure and organization, which emphasizes their vital importance in the process of protein synthesis and in the maintenance of life.
Therefore, the correct option is A.
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Thanks to the development of transgenic plants, much of the food we eat has been altered so that it tastes better, looks better, and lasts longer. This change in agricultural production has lead to new careers in
A)embryology.B)forensics.C)genetics.D)geology.
Answer:
i believe the answer would be genetics since you are altering the DNA of the plants