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Given below are some differences between primary air pollutants and secondary air pollutants. Which one of the following is an incorrect difference ?A. `{:(" Primary air pollutants", "Secondary sir pollutants"), ("These persist in the form in which they are added to the environment.", "These are formed by interaction among the primary pollutants."):}`B. `{:(" Primary air pollutants", "Secondary sir pollutants"), ("These are more toxic than the secondary pollutants.", "These are less toxic than the primary pollutants"):}`C. `{:(" Primary air pollutants", "Secondary sir pollutants"), ("Examples include DDT,"CO_(2) , "Examples include Ozone, PAN"):}`D. None of these

Answer» Correct Answer - B
Secondary air pollutants are more toxic than primary air pollutants.


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