The answer to your question is digestive.
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.
This information is Quantitative data
False politics & economics have to do with government not the environment but that’s pretty self explanatory