In the collection of data list at least 3 important constants

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

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 b.

hope it