Read the passage below. highlight the concerns of the plaintiff. then answer the question to the right. after you have read the passage on the left, identify the statement that summarizes the main concern of the plaintiff.

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