In order for a new species to develop, there must be a change in the А) migration patterns of a population
B) genetic makeup of an existing species.
С) rate of succession in the environment.
D) temperature of the environment.

answer; i believe the correct answer is (anemia);

every el niño cycle is different. every year.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

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.