How do you think molecules of food rearrange when they react with oxygen in the cells of your body?​

In cellular respiration, complex molecules containing carbon react with oxygen to produce carbon dioxide and other materials. Within individual organisms, food moves through a series of chemical reactions in which it is broken down and rearranged to form new molecules to support growth or to release energy.

Explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."