Energy is used to break down glucose in the presence of oxygen to produce carbon dioxide and water.
Answer:
The answer would be A, to lead sperm cells to the ovary. Hope this helps you out!
Environmental functions is the correct option. Hope it helped U. If it helped you please mark as brainliest
Well, pollution is probably the main reason, but i think all of them are reasons why animals are dying off, if there isn't any choice for all of them, then your best bet would be to do a, pollution.