1. What is the difference between point and nonpoint pollution? Which is easier to control? Why? 2. Name one biological water pollutant, one physical water pollutant, and one chemical water pollutant....

1. What is the difference between point and nonpoint pollution? Which is easier to control? Why?

2. Name one biological water pollutant, one physical water pollutant, and one chemical water pollutant.

3. There is a saying: “The solution to pollution is dilution.” Do you think this is a good general rule? What might be some limitations of this approach to controlling water pollution?