List and give examples of the four kinds of water

. List and give examples of the four kinds of water use as given in your text. 2. What is biochemical oxygen demand (BOD) and how is it related to water quality? 3. How can the addition of nitrates and phosphates to a body of water result in a reduction of the amount of dissolved oxygen (DO) in the water? 4. Describe primary, secondary, and tertiary wastewater treatment processes. 5. Distinguish between point source and nonpoint source pollution. 6. Compare and contrast the identified primary air pollutants with the criteria air pollutants. In what ways are these lists the same? How are they different? 7. List and briefly discuss the three pollution control measures employed as a result of the EPA’s Clean Air Act.

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