Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
Answer:
b and e
Explanation:
i got it correct in usatestprep :)
Calcium
Calcium helps build and maintain bones.
HIV directly attacks CD4 helper lymphocytes directly. (D)
