POLLUTION

[A] : PAN is a secondary pollutant . [R] : The secondary pollutants are produced by the combination of primary emitted pollutants in the atmosphere .

Assertion: Water pollutants are measured by BOD. Reason: If BOD is more, the water is polluted.

Environmental issues || Pollution n types of pollution || air pollution act n its controll || smog || noise pollution || water pollution and its controll || BOD eutrophication || biological magnification || solid waste || hospital wastes

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

In a polluted environment, the maximum pollutant will occur in: