Given below are some differences between primary air pollutants and secondary air pollutants.
Which one of the following is an incorrect difference ?

Options

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

B

Explanation

Secondary air pollutants are more toxic than primary air pollutants.