Answer:
Proteins are essential elements for growth and repair, good functioning and structure of all living cells
Explanation:
The answer is B (speed up chemical reactions).
The predator numbers for the deer will start to drop, due to a lack of food available. The vegetation that deer eat will increase, due to a lack of deer to eat it & so it will thrive untamed. This may cause certain animals to thrive & increase their respective predator counts & so on.
