Acid rain is caused by increase in the atmospheric concentration of:
A
O3 and dust
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B
SO2 and NO2
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C
SO3 and CO
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D
CO2 and CO
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Solution
The correct option is BSO2 and NO2 Acid rain is a result of air pollution. When the air becomes polluted with nitrogen oxides and sulphur dioxide the acidity can increase to a pH value of 4.