Solar thermal energy and solar electric energy because people like to conserve energy and help the earth so they use solar thermal energy. But people who are not enough nice to the earth they would use solar electric energy
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may be the answer is
DNA polymerase is an enzyme that works to transport DNA from the nucleus to the cytoplasm.
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It could be separated into a group of full black plumage on the bakc, and mixed color on the back.
Maintaining acidity- <span>In case the pH in the environment drops a lot (becomes very acidic), there is a flux of H ions from the cell's cytoplasm into the cell's vacuole thereby increasing acidity to required level and thus maintaining the </span><span>specific pH </span><span>in the cells internal environment as well.
Turgidity- </span><span>Vacuoles regulate the turgidity by regulating the amount of water inside the cell. </span>
cell has excessive water:<span> vacuole absorbs the water and then diffuses it out of the cell.</span>
cell lacks water<span>: water from the vacuole gets passed back into the cell thereby maintaining turgidity.
And here's a video </span>https://youtu.be/3tqjITi8S8s
Answer: Migration, because species move to other places for food or a better or more suitable habitat and sometimes their is other species there.
