Correct me if i'm wrong i think the best answer would be d. the cow uses all of the corn's energy for life processes.
Humans can will themselves to eat more, as we know that food comes easy to us.
Animals, on the other hand, top priority is survival, so they usually wouldn't think about eating more because it just "tastes good."
Answer: It is converted to chemical energy.
Explanation:
I believe its D, it makes the most sence to me. as The substance is based on the arrangement there in and the type of atom the matter is made from.<span />