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.
Answer:
Lakes and rivers provide Canadians not only with drinking water, food, transportation networks and recreational opportunities, but also with hydroelectricity. In fact, Canada is one of few countries around the world to rely on hydropower for more than half of its electricity needs.
Explanation:
My answer would be cellular respiration.
Hope this helps!
