7. List any three human activities that you think would lead to air pollution?
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List any three human activities that you think would lead to air pollution. Answer: ... (iii) Forest fires, excessive use of chlorofluorocarbons (CFCs) used in refrigerators, excessive mining and ore refining release harmful gases into the air leading to pollution.
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Explanation:
(1) open burning of garbage
(2) smoke from vehicles.
(3) burning of fossil fuels
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