Enzymes are involved in biochemical reactions within the cells of all living organisms. Which statement best describes how enzymes affect biochemical reactions?

Enzymes are catalysts that lower the activation energy required for reaction to take place.  Enzymes speed up reactions.

Explanation:

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.