If earths average surface temperature continues to change over the next thirty years at the same rate it changed between 1980 and 2010, the average temperature will most likely be around

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.

(nitrogen fixation) will be your answer sorry if im wrong

idk about that one.