What is the main idea of the passage? a. Aquatic life is the most susceptible of all species to the effects of acid rain. c. The effects of acid rain are widespread. b. Humans are mostly to blame for the increase in acid rain and its consequences. d. In excess, acid rain is detrimental to humans, wildlife, and plant life.

The passage talks about acid rain. It affects literally the whole earth. But the species mainly affected are aquatics. It is because it directly affects their living environment that is water. The root cause of the acid rain are us humans because of the pollution we create. The chemicals make the rain acid and that is bad to all of living things on earth.