Which of the following statements is true regarding the discovery of the double helix? Choose 1

I have already answered you. It's B

a. to encourage apoptosis

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.