How does deforestation affect the water cycle: A. It increases the amount of percolation
B. It increases the amount of runoff
C. It increases the amount of transpiration
D. It increases the amount of precipitation

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