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9. Differentiate between the primary and secondary pollutants. Explain how these pollutants are harmful for humans and environment in about 250 words. |
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Answer» primary POLLUTANTS:- primary pollutants is that pollutants which are collected or received or born by primary source of pollution.secondary pollutants:-secondary pollutants is that pollutants which are collected or received or born by SECOND pollutants. |
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