Question

is it possible to have a surplus of metabolic products? why or why not?
a yes, too much of certain products can be toxic
b no, products of metabolism are necessary for the body to function
c no, surplus products are instantly degraded
d yes, the body can not use everything it produces

Explanation:

Metabolic processes in the body can result in the production of substances that are not all utilized. Some metabolic products, when in excess, can be toxic or just not needed by the body, so a surplus is possible.

Answer:

a. Yes, too much of certain products can be toxic
d. Yes, the body can not use everything it produces