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प्रश्न
Which of the following results in air pollution?
विकल्प
Mist
Fog
Smog
Dew
MCQ
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उत्तर
Smog
Explanation:
Smog results in air pollution because it is a harmful mixture of smoke, fog, and chemical pollutants released mainly from industrial and vehicular emissions. Mist and fog are natural atmospheric phenomena and do not cause air pollution, whereas smog contains pollutants that degrade air quality and pose health risks.
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