The term "cycle" is used to describe the calvin cycle because

i do not know and i have a 100 in this class

they have sperm in my gf's mouth

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.