Distinguish between 1° (primary) and 2° (secondary) air pollutants.
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Primary air pollutant- Those pollutants which directly mix with air to cause pollution is known as primary air pollutant .
eg - Carbon dioxide .
Secondary air pollutant -The primary pollutant when dissociated by ultra violet ray or any other environmental factor leads to formation of another air pollutant
eg - Carbon dioxide .
Secondary air pollutant -The primary pollutant when dissociated by ultra violet ray or any other environmental factor leads to formation of another air pollutant
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Photochemical smog may consist of several secondary pollutants, such as ozone and nitric acid. In addition, ozone depletion is one of the effects of primary and secondary pollutants in the atmosphere. ... Acid rain, a secondary pollutant, occurs anywhere near fossil fuel-burning power plants
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