My sister is a girl fact or opinion. hey i don't know how to answer my little brothers work sheet can some one .

b. to discover aspects of the natural world.

hopefully i .

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.