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प्रश्न
What are the causes of air pollution?
थोडक्यात उत्तर
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उत्तर
- When fuels burn, they produce sulphur dioxide, sulphur trioxide, nitrogen dioxide, and hydrogen sulphide when these gases mix with rainwater.
- They produce sulphuric and nitric acid. These acids mix with rain water to form acid rain and also caused by the industries and automobiles.
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