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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b is the answer for me bro please mark me as brain list
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Answer:
opition number one is correct benzene hexachloride is a non bio degradable pollutant
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