The cell membrane of the red blood cell will allow water oxygen and carbon dioxide pass through because other substance are blocked from entering what is this membrane called

c is the answer to this question. altitude affects the weather because air molecules evaporate.

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.

i am sorry but i need more information and a picture.

i think your answer is a. it splits a cell into two new daughter cells. the others don't really make sense to me so i would go with that one.