Since you did not give a list of choices,here are some reasons why l<span>iving cells cannot use heat to provide the activation energy for biochemical reactions:
</span>
>Heat can never be used to do work.
>Heat is not readily available to all living cells.
>Heat doesn't provide the activation energy for their reactions.
Answer:
A lot of carbon passes through the atmosphere and into the biosphere through the plants consuming it, or in other words, photosynthesis, and the plants waste is oxygen, which animals breathe and turn into carbon dioxide
TL;DR Plants enter carbon into the biosphere and animals release it into the atmosphere
I think that the correct answer to this question is D .
Answer:
Ophthalmoscopy, also called funduscopy.
I am not entirely sure what you mean by "responding variable" but I'm going to guess it was the vinegar since it has been used as a perservative for years.
Hope that helps in some way.
