The male sexual response includes erection and orgasm accompanied by
a. ejaculation of semen b. relaxation c. restoration d. stimulation i think it's b, but i also think it is a. not sure which is the best choice.

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water

Do fish feel pain? and if they do what pain

How many electrons can occupy any electron orbital?