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MATCHING – In the space provided, write the letter of the term or phrase that best matches the description. a. primary pollutantb. ZEVsc. smogd. temperature inversione. Clean Air Actf. sea-coal ______ 1. have no emissions from tailpipes or gasoline______ 2. results from chemical reactions involving sunlight, air, exhaust, and ozone______ 3. scrubbers and electrostatic precipitators help industries meet these requirements______ 4. put directly into the air by human activity______ 5. a source of air pollution before modern times______ 6. atmospheric condition that traps pollution near the ground MULTIPLE CHOICE – In the space provided, write the letter of the term or phrase that best completeseach statement or best answers each question. ______ 7. Which is a secondary air pollutant?a. ozoneb. carbon monoxidec. particulate matterd. nitrogen oxides ______ 8. Volatile organic compoundsa. are tiny particles of liquid or solid matter.b. are produced by chemical interactions between sulfur and oxygen.c. are an odorless, colorless poisonous gas.d. are organic chemicals that form toxic fumes. ______ 9. Which device helps clean car exhaust?a. electrostatic precipitatorb. scrubberc. catalytic converterd. ZEV ______10. Which pair below are the two main sources of air pollution in urban areas?a. vehicles, volcanoesb. vehicles, industriesc. industries, agricultured. none of the above
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