Genetics is the study of B. how organisms reproduce. A. variation of inherited traits. E. the chemical composition of cells C. how life originated. D. how the environment causes disease.

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.

the answer is d. none of the above