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प्रश्न
Write a brief note on acid rain.
उत्तर
Acid rain:
The rain with elevated concentration of sulphuric acid is known as acid rain. When SO2 reacts with water in the atmosphere, it forms sulphuric acid, which washes the soil by rain. It is a disastrous effect of air pollution. It severely affects plant growth and salmon reproduction. It destroys buildings by eroding the stone and brick work.
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