Dq Chapter 19

Read Ch 19 in the textbook in order to answer the following questions. 1. Describe the controversy over whether carbon dioxide should be classified as an air pollutant. 2. What is industrial smog, and how does it form? What are the causes of the Asian brown cloud, and what are some of its harmful effects? 3. What is photochemical smog, and how does it form? 4. List five factors that can reduce air pollution and six factors that can increase air pollution. 5. What is acid deposition, and what are its major components and causes? Distinguish among acid rain, wet deposition, and dry deposition. Why is acid deposition a regional problem, and what areas tend to be most affected by it? 6. What is a buffer, and what types of geologic areas can neutralize or buffer some inputs of acidic chemicals? What two types of areas are most sensitive to acid deposition? 7. What are the major harmful effects of acid deposition on (a) human health, (b) materials, (c) aquatic systems, (d) soils, and (e) trees and other plants? 8. How serious is indoor air pollution, and what are some of its sources? What is the sick-building syndrome? According to the EPA, what are the four most dangerous indoor air pollutants in developed countries? What is the most dangerous indoor air pollutant in most developing countries? 9. List four defenses of your body against air pollution. What are the major harmful health effects of breathing air pollutants? 10. Distinguish among national ambient air quality standards, primary standards, and secondary standards. 11. According to environmental and health scientists, what are nine weaknesses of the current Clean Air Act in the United States? 12. What is an emissions trading policy, and what are the advantages and disadvantages of this approach to help reduce air pollution? 13. List the major prevention and cleanup methods for dealing with air pollution from (a) emissions of sulfur oxides, nitrogen oxides,