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Social Studies, 13.08.2021 01:00 breana758
Choose the true statement about sources of air pollution in the United States.
a. Natural sources contribute over half of air pollution emissions.
b. Mobile sources are non-point sources of air pollution.
c. Air pollution levels remain fairly consistent across the country.
d. Lead in the atmosphere is the result of refrigeration and using aerosol sprays.
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Answers: 2
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Choose the true statement about sources of air pollution in the United States.
a. Natural sources c...
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