Answer:
I believe it's B.
Explanation:
Hope my answer has helped you!
Using the drop-down menu, choose whether each organism is a producer or a consumer
There is no drop down menu but i can help all plants are producers.
Answer:
Producer, consumer , consumer, consumer, producer, producer, & producer
Explanation: just did it
2 Points
What do bacteria have in common with the cells of other living organisms?
Answer:
Bacteria have cytoplasm and ribosomes which are common with the cells of other living organisms.
Explanation:
Answer: Bacteria have cytoplasm and ribosomes which are common with the cells of other living organisms.
We live in the Cenozoic era, and scientists know more about this era and the epochs it's divided into than any other time period. Why is this? A. We know more about the Cenozoic era because this is the only era that has had a wide diversity of species living on Earth. B. We know more about the Cenozoic era because the planet's poles reversed magnetic fields at the beginning of this era. C. We know more about the Cenozoic era because fossils don't exist to document previous eras. D. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study.
Answer:
D. We know more about the Cenozoic era because this the most recent time period in the history of the Earth, and we have more information available to study.
Explanation:
The Cenozoic era is the era that is by far the best studied and known by the scientists. The main reason for this is that this era is the most recent one, and it is actually the era we live in. Because it is the most recent era, the Cenozoic is abundant with lot of evidence of what has happened in it. The fossil records are very rich as the fossils didn't had that much time to totally decompose. The rock layers are much younger, so they contain much more detailed evidence of the plant life, climate, changes in the environment. The oceanic crust is also in abundance, which is not the case with the other eras as the oceanic crust is constantly suducted.
D. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study.
The correct option is D. The Cenozoic era is the most recent era in the geological time scale, spanning from approximately 66 million years ago to the present day. As it is the closest era to our current time, there is a wealth of information available for study. Compared to earlier eras, the Cenozoic era has been extensively documented through various sources, such as geological records, fossil evidence, and climate data.
In the Cenozoic era, there have been significant developments in the diversity and complexity of life forms, including the emergence and evolution of mammals, birds, flowering plants, and other organisms that are more familiar to us today. This increased biological diversity further contributes to the wealth of information we have about the Cenozoic era compared to earlier periods.
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which of the following requires the use of energy to move a molecule across a cell membrane?
A. Active transport
B. Simple diffusion
C. Osmotic pressure
D. Facilitated diffusion
Answer:
A. Active transport is the correct answer.
Explanation:
Active transport requires the use of energy to move a molecule across a cell membrane.
Active transport is a process in which molecules move against the concentration gradient.
To move the molecules from the lower concentration region to the higher concentration region active transport use energy in the form of Adenosine Triphosphate(ATP).
ATP gives the needed energy for the active transport process to move the molecules across the cell membmbrane or concentration gradient.
Sodium potassium pump is a type of active transport it uses energy to transport the sodium ions and potassium ions inside and outside of the cells.
How many genders are there
Answer:
3 sexes
Explanation:
male
female
hermaphrodite
Answer:
2
Explanation:
you are either biologically a male or female but what u identify as is a completely different question.
What is the relative placement of the Moon, Earth and Sun during a lunar eclipse?
The Sun, Earth and Moon are aligned with the Earth in the middle and the Moon furthest away from the Sun.
The Moon and Sun are aligned with the Earth at right a right angle to the Moon.
The Sun, Earth and Moon are aligned with the Moon in the center and the Earth furthest away from the Sun.
The Earth and Sun are aligned with the Moon is at a right angle to Earth.
2.
Choose the best explanation of a partial solar eclipse.
During a new moon phase there is usually a partial but not total eclipse.
The Earth only partially covers the Sun during the eclipse.
The Moon only partially covers the Sun during the eclipse.The Moon only partially covers the Sun during the eclipse.
The Moon's phase is full and blocks out most but not all of the Sun.
3.
What are conditions necessary for a total solar eclipse?
Moon in perigee orbit, Earth a direct line between Sun and Moon, Moon in full moon phase
Moon in perigee orbit;Moon moves a direct line between Sun and Earth; Moon in full moon phase
Moon in perigee orbit; Moon moves a direct line between Sun and Earth; Moon in new moon phase
Moon in apogee orbit, Moon moves a direct line between Sun and Earth; Moon in new moon phase
4.
What causes a partial lunar eclipse?
Only the penumbra of the Earth passes across the Moon creating a circular shadow.
The Earth's umbra fits inside the Moon creating an illuminated ring known as a annular eclipse.
A partial eclipse causes the Moon to turn reddish from the refraction of the Sun's ray through the Earth atmosphere.
The Earth's umbra only cover a part of the Moon causing a circular shadow to pass across it.
The right answer to number four is
The Earth's umbra only cover a part of the Moon causing a circular shadow to pass across it.
A partial lunar eclipse happens when the Earth's umbra part moves across the Moon making a circular shadow across the Moon. An annular lunar eclipse is not possible because the Earth's umbra is always larger than surface of the Moon even if the orbits are in apogee.
For the following:
During a lunar eclipse, the Sun, Earth, and Moon are aligned, with the Earth in the middle.A partial solar eclipse occurs when the Moon only partially covers the Sun.A total solar eclipse occurs when the Moon is in perigee orbit, is moving directly in front of the Sun, and is in new moon phase.A partial lunar eclipse occurs when only part of the Moon passes through the Earth's umbra.What are the functions of eclipse?1. The Sun, Earth and Moon are aligned with the Earth in the middle and the Moon furthest away from the Sun.
During a lunar eclipse, the Earth casts its shadow on the Moon. This can only happen when the Sun, Earth, and Moon are aligned, with the Earth in the middle.
2. The Moon only partially covers the Sun during the eclipse.
During a partial solar eclipse, the Moon passes in front of the Sun, but does not completely block it out. This is because the Moon is smaller than the Sun.
3. Moon in perigee orbit; Moon moves a direct line between Sun and Earth; Moon in new moon phase.
During a total solar eclipse, the Moon completely blocks out the Sun. This can only happen when the Moon is in perigee orbit (its closest point to Earth), is moving directly in front of the Sun, and is in new moon phase (completely dark).
4. The Earth's umbra only cover a part of the Moon causing a circular shadow to pass across it.
During a partial lunar eclipse, only part of the Moon passes through the Earth's umbra (its darkest shadow). This causes a circular shadow to pass across the Moon.
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A line graph has a vertical axis labeled "Average plant mass (g)" and a
horizontal axis labeled "Concentration of ammonium nitrate (mg/L)." What
information is conveyed by a point plotted with coordinates (10,40)? Keep in
mind coordinates are written as (x coordinate, y coordinate).
Answer:
Letter B.
Explanation:
Looking closely at the graph, we can see that on the X axis, the graph gives us the information of the ammonium nitrate concentration that the plant was exposed, in this case 10 mg/L. On the Y axis, the graph gives us the information of the average quantity in grams of the plant mass, in this case 40 grams. So the average plant mass exposed to 10 mg/L ammonium nitrate was 40 grams and the right answer is Letter B.
A point at (10,40) on the graph indicates that at a concentration of ammonium nitrate of 10 mg/L, the average plant mass is 40g.
Explanation:In the given line graph, the point with coordinates (10,40) conveys that when the concentration of ammonium nitrate is 10 mg/L, the average plant mass is 40g. The x-coordinate (10mg/L) refers to the concentration of ammonium nitrate being studied, while the y-coordinate (40g) indicates the corresponding average plant mass at that particular concentration.
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Do you think people can misdiagnose themselves with the flu? Explain your reasoning.
Answer:
Based on my opinion, I think that people can misdiagnose themselves with flu.
Explanation:
The flu usually starts with a high fever, followed by pain in the body, head, runny nose and dry cough. Basically these are the symptoms of a common flu. However, a flu considered "normal" can lead to pneumonia, thus requiring hospitalization. If you self-medicate, without know about what kind of disease you have, you can take several risks, including: taking the wrong medicine; take an overdose of the medicine, and thus worsen your condition; If you have an allergy to such a remedy, you may even die if you take it.
It may also happen that you confuse flu symptoms with another, even more striking, illness, as mentioned earlier, pneumonia. And for this reason, you can complicated and then even die about a mistake made by yourself. It is so complicated to self-medicate without a knowloedge about each diseases, lika doctors and nurses have.
Control of the body is accomplished by which of the following body systems?
nervous system and circulatory system
endocrine and repertory system
circulatory and respiratory systems
nervous system and endocrine systems
Control of the body is accomplished by nervous system and endocrine systems.
Explanation :
Nervous system of the body deals with the reception of the signal and producing its appropriate motor action. Nervous system controls both the voluntary and involuntary functions of the body. Neurons which are the part of nervous system helps in the sensation of whole body through which many activities like locomotion and reasoning can be executed.
Endocrine system influences the activity of a group of cells to produce a specific protein or act in a specific way. Endocrine system releases protein or steroid hormones which can act on the other parts of the body to produce other hormones are proteins which influences the functioning of other cells. Hence, both nervous system controls and endocrine system has collective activity for controlling the body. Whereas other body systems like circulatory and respiratory system are only concerned with the circulation of blood and breathing.
data from the study of bio geography provide evidence for evolution because they show that:
a) There are no patterns in the distribution of species on Earth.
b) every continent has the same species of organisms
c) species are most closely related to others that live nearby
d) the continents on earth have changed over time
Answer:
The answer is (C.): species are most closely related to others that live nearby.
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Which statement about plant classification below is true?
A. All vascular plants are angiosperms, but not all nonvascular plants are mosses.
B. No nonvascular plants bear seeds, but not all vascular plants bear seeds
C. Not all nonvascular plants bear seeds, but all vascular plants do bear seeds.
D. Not all angiosperms produce flowers, but all gymnosperms produce cones.
Answer:
d
Explanation:
1 Point
Which of the following best describes the goal of technology?
O
A. To improve the economy
O
B. To apply scientific knowledge to ethical decision making
O
C. To use scientific knowledge to solve problems or to make tasks
easier
O
D. To make more industrial jobs
SUBM
Answer:
B
Explanation:
To apply scientific knowledge
The following best describes the goal of technology - C. To use scientific knowledge to solve problems or to make tasks easier.
TechnologyIt is the system or device of the result of scientific knowledge for a practical purpose or to solve any problem. Scientific knowledge is used to solve any problem using various steps of experiments.
In daily life, scientific knowledge is used to make tasks easier with the help of technology is used science in a way that can help people in solving problems.
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What is the gravity force,or weight, of a 40kg child on earth?
Answer:
Gravity force = mass × gravitational field strength (g). The child’s weight is: 40 × 10 = 400 N. (g on Earth = 10 N/kg). The child's mass is 40 kg.
Explanation:
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The weight of the child whose mass is 40 Kg on earth is 392 Newtons.
What is Weight ?
Weight is the force exerted by the earth on an object at the surface of the earth. Mathematically -
W = m x g
where -
[m] is the mass of object
[g] is acceleration due to gravity
Given is the mass of a child equivalent to 40 Kg.
We can write -
Mass [m] = 90 kg
Acceleration due to gravity [g] = 9.8 m/s²
Therefore, the weight of the child will be
W[c] = m x g = 40 x 9.8 = 392 Newtons
Hence, the weight of the child whose mass is 40 Kg on earth is 392 Newtons.
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What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?
Answer:
Force of the expanding gases
Explanation:
what are the subsystem of the earth
Answer:
Hydrosphere, Lithosphere, Atmosphere and Biosphere
Explanation:
Everything present in earth from rocks to small stones and from huge oceans to small water living bodies can be divided into four sub-systems which are also know as earth's spheres. These are land or Lithosphere, water or hydrosphere, air or atmosphere and living things or biosphere.
Hydrosphere is the zone of earth that contains all the gaseous, solid and liquid water present on the surface of earth. It includes the water of oceans as well as huge ice capped mountains' water content.Lithosphere is the zone of earth that contains hard and cold land on earth whether it is present in the form of rocks, sand dunes or hilly scenic areas.Biosphere is simply the living part of the earth that contains all living bodies from pants to insects, fungi and animals that are able to reproduce a fertile generation and fulfill the definition of life.Atmosphere comprises all the gaseous part of the earth that is called air. It starts from approximately 1m above the surface of earth. It has a substantial role in protecting the living organisms from harmful radiations coming from sun.Hope it helps!
Which of the following is a limitation of a clinical trial?
A.)amount of random assignments
B.)hospital cost
C.)number of test tubes
D.)amount of peer review
option a.
The significant limitation of a clinical trial mentioned in the provided choices is the amount of random assignments. This relates to the sample size of the trial and the ability to accurately represent the population. The other options, hospital costs, number of test tubes, and amount of peer review are not intrinsic limitations.
Explanation:One significant limitation of a clinical trial is the amount of random assignments (A). The process of a clinical trial entails randomly assigning participants to different groups such as the experimental group or placebo group. This random assignment is crucial to ensure the result's validity. However, if the trial's size is small, it might not accurately represent the larger population, leading to biased results.
Hospital costs (B) and the Number of test tubes (C) are not intrinsic limitations of a clinical trial. They are logistical and can vary depending on the specifics of the trial. Lastly, the amount of peer review (D) is not a limitation of a clinical trial. Peer review is part of the scientific process: it helps ensure the study's validity
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A limitation of a clinical trial can be the amount of random assignments, hospital cost, and the amount of peer review.
Explanation:A limitation of a clinical trial is the amount of random assignments. In a clinical trial, participants are randomly assigned to either the experimental group or the control group. However, due to logistical constraints or ethical considerations, it may be difficult to have a large number of participants in a trial or to randomize the assignment of participants.
Additionally, hospital costs can be a limitation of a clinical trial. Conducting a clinical trial often involves significant expenses, such as staff salaries, equipment, and data analysis. These costs can limit the number of participants and the duration of the trial.
Lastly, the amount of peer review can be a limitation. Clinical trials need to undergo rigorous peer review to ensure that the study methods, data analysis, and conclusions are valid and reliable. However, the availability of experts and the time required for peer review can sometimes create delays in the publication and evaluation of clinical trial results.
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Which statement about the difference between autotrophs and heterotrophs is true?
A.
Autotrophs transform radiant energy into chemical energy, but heterotrophs can’t.
B.
Autotrophs take in only oxygen, but heterotrophs take in both oxygen and carbon dioxide.
C.
Autotrophs have two different electron transport systems, but heterotrophs have none.
D.
Autotrophs don’t have a Calvin cycle, but heterotrophs do.
Answer:
Autotrophs transform radiant energy into chemical energy, but heterotrophs can’t.- ( A.)
Answer:
this is correct on plato
Explanation:
Which is a reason cells divide?
A. To reproduce
B to have a smaller surface area
C to stop binary fission
D to prevent tumor formation
answer: to reproduce
Answer:
A
Explanation:
Cells divide to A. reproduce through a process called cell division or mitosis.
Explanation:Cells divide to reproduce and this process is called cell division or mitosis. During mitosis, a cell divides into two identical daughter cells, each containing the same genetic material as the parent cell. Reproduction through cell division is important for growth, repair, and the development of multicellular organisms.
Mitosis is a cellular process in which a eukaryotic cell's nucleus divides into two identical daughter nuclei, each with the same number of chromosomes as the parent cell. It is crucial for growth, tissue repair, and as-exual reproduction in multicellular organisms. Mitosis consists of phases like prophase, metaphase, anaphase, and telophase.
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Which of the following describes a phenomenon that occurs when we observe plants that wilt?
A. The plant begins absorbing oxygen and releasing carbon dioxide into the atmosphere.
B. The roots begin to rot, causing them to no longer uptake water.
C. The xylem releases all its water.
D. The stomata close, cutting off transpiration and gas exchange.
Stomatal closure is a defense mechanism to prevent further water loss when a plant is wilting. This process cuts off transpiration and gas exchange to conserve water, but also affects photosynthesis.
When we observe plants that wilt, the phenomenon described is one where a plant's ability to uptake water through its roots is not keeping pace with the rate of transpiration. This mismatch leads to a loss of turgor pressure, which is the pressure within the cells that keeps the plant upright and firm. As the turgor pressure drops, the stomata, tiny openings on the leaves, begin to close, which reduces both transpiration and photosynthesis, and the plant appears wilted. So, the correct choice is D. The stomata close, cutting off transpiration and gas exchange. Plants absorb water primarily through root hairs, and it travels up to the leaves through the xylem. Transpiration, the process of water vapor exiting the stomata, is critical for pulling water up the plant. When this process is disrupted, the result is wilting.
All the genetic information within an organism is found in its
A. DNA
B. Proteins
C. RNA
All the genetic information within an organism is found in its DNA.
Where is all the genetic information in a cell?
Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
What is genetic information in DNA?The genetic information stored in an organism's DNA contains the instructions for all the proteins the organism will ever synthesize.
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What occurs during translation?
A. mRNA is created by using a DNA template
B. mRNA codons are joined by tRNA anticodon to assemble amino acids to form a protein
C. Protein is formed when a polypeptide chain is broken apart and released from ribosome
D. One strand of DNA Is copied into a strand of rRNA
Answer:
b) mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein.
Explanation:
mRNA codons are joined by tRNA anticodon to assemble amino acids to form a protein occurs during translation. Thus, the correct option is B.
What is translation in genetics?Genetics is defined as the process by which a cell forms proteins using the genetic information carried in (mRNA) messenger RNA. The mRNA is formed by copying DNA, and the information it carries transfer to cell how to link amino acids together to form proteins.
Peptidyl transferase is the important enzyme used in translation. It is present in the ribosomes with an enzymatic activity which catalyzes the formation of a covalent peptide bond between the amino acids present in adjacent.
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What links the two strands in a DNA helix together in the middle?
A. Phosphate groups
B. Sugar rings bonded together
C. Proteins
D. Bases with hydrogen bonds
Hydrogen bond links the two strands in a DNA helix together in the middle.
Who made model of DNA structure?Watson and Crick made the first model of the DNA molecule based on its X-ray picture, made by Rosalind Franklin. The model explained that the DNA molecule has the shape of helix. It is composed out of two antiparallel strands, interconnected with weak, hydrogen bonds.
Hydrogen bonds occur between the two strands and involve a base from one strand with a base from the second in complementary pairing.
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if water were a non polar molecule, how would its properties be different ?
A.) water would be a much lighter molecule
B.) water would be able to climb up inside plants
C.)water would not be able to form hydrogen bonds
D.) water would stick together much more strongly
Answer:
water would stick together much more strongly
Explanation:
Water is highly cohesive—it is the highest of the non-metallic liquids. Water is sticky and clumps together into drops because of its cohesive properties, but chemistry and electricity are involved at a more detailed level to make this possible.
Question 16 (5 points) Elements in Groups 3 through 12 on the periodic table are known as _____ elements. Question 16 options: 1gaseous 2noble 3radioactive 4transition
Answer:
4. Transition metals
Explanation:
Transition metals differ from the other elements because their valence electrons can be found in more than one shell, specifically, in the last two shells. Another notable difference between transition metals and other elements on the periodic table is that they can have more than 8 electrons in their outermost shell. They can have up to 32 electrons.
Elements in Groups 3 through 12 on the periodic table are known as transition elements. They show properties of both metals and nonmetals and can have multiple oxidation states.
Explanation:Elements in Groups 3 through 12 on the periodic table are known as transition elements. These elements, which include such metals as iron, gold, and nickel, display properties of both metals and nonmetals, and they have the unique ability to form complex ions. Moreover, they can have multiple oxidation states, that is, they can lose different numbers of electrons and still be stable. This includes, for instance, iron which can exist in either +2 or +3 oxidation state.
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Eagles-Q
Snakes-R
Mice-S
Grain-T
Which trophic level contains
the smallest percentage of total
stored energy?
Answer:
eagles
Explanation:
Because there are fewer eagles than there are mice or snakes, by mass as well as by number. Also, in the particular case of eagles, any flying bird will tend to have very little excess mass, as flying is more work the more you weigh.
Why do you think you wet the pH paper before you ignite the match?
You wet the pH paper before the ignition of the match in order to estimate the pH of the given solution. Those compounds which are not soluble in water tend to possess an inflammable property and the estimation of pH in this condition is useless.
What is the use of pH paper?The pH paper is used to determine the pH of any solution under any circumstances. It has various colors that reveal the actual pH of any solution.
Therefore, it is well described above.
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Your best friend told you that last week they discovered that there is a new galaxy very similar to ours. Which do you think is BEST way to research this recent discovery?
your best friend’s parents
an encyclopedia
NASA’s internet site
a book in the library
Nasa because they have more tools and are better equiped and trained to find galaxies than anyone .
NASA’s internet site is The National Aeronautics and Space Administration is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research.
What is NASA website built with?Mobomo developed the www.nasa.gov headless Drupal, AWS cloud environment with security, performance, and availability in mind.
It is architected in a manner that separates the content management portal from the public website infrastructure to provide maximum security.
What is NASA's purpose?Our more than 18,000 professionals come from many diverse backgrounds, but are united by a common purpose: to pioneer the future in space exploration, scientific discovery and aeronautics research. In addition to our core values, our NASA team embodies a few shared characteristics that are integral to our success
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Which represents deposition?
gas to solid
liquid to solid
liquid to gas
solid to gas
Deposition is when a gas skips the step of becoming liquid and goes straight to a solid.
This means the answer is:
gas to solid
Hope this helped!
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How has technology been used to address issues related to sewage?
O
A. Sewage treatment plants use bacteria to clean water and solid
waste before releasing it into the environment.
O
B. Sewage treatment plants heat water to kill bacteria.
O
c. Sewage treatment plants use landfills to filter and clean water and
solid waste before releasing the water into the environment.
O
D. Sewage treatment plants cool water to kill bacteria.
Technology has been used to address sewage problems through treatment plants where bacteria clean water and solid waste, making it safer for discharge or reuse. Heating or cooling water to kill bacteria and using landfills for filtration are not common practices.
Explanation:Technology has played a crucial role in addressing issues related to sewage. One way is through sewage treatment facilities. At these plants, technology is used to mechanically, biologically, and chemically treat sewage to make it safe for disposal or reuse. For example, sewage treatment plants often use bacteria to clean water and solid waste. These bacteria digest the organic material in the sewage, which reduces the amount of solid waste and cleans the water. In the process, harmful pathogens are also significantly reduced, making the water safer for release into the environment. However, sewage treatment plants do not typically heat or cool the water to kill bacteria, as these methods are energy-intensive and less efficient. Additionally, sewage treatment plants do not usually use landfills to filter and clean water and solid waste, as landfills are primarily used for solid waste management and not water filtration or treatment.
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Which describes a process where a precipitate is formed?
A.
A solution of AgNO3 is added to a solution of CaCl2 to produce solid AgCl and a solution of CaNO3.
B.
Propane gas combusts to form CO2 and H2O.
C.
A solution of HCl mixes with a solution of Ca(OH)2 to produce H2O and CaCl2.
D.
A solution of H2SO4 mixes with a solution of NaOH to produce water and Na2SO4.
Answer:
The answer is A. A solution of AgNO3 is added to a solution of CaCl2 to produce solid AgCl and a solution of CaNO3.