PLEASE help! Which of the following pollutants is NOT an example of bioaccumulation? A: mercury

B: DDT

C: lead

D: nitrogen

E: cyanide

What are the 3 types of artificial cloning

Ture or false evidence for evolution includes millions of fossils

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of