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Is DDT a biodegradable pollutant ?...

Is DDT a biodegradable pollutant ?

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No
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Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

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