Helllp I lost all my friends

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

Students taking a clep exam can earn between college credits, depending on the college's policies.

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.