Secondary pollutants are directly emitted from combustion of fossil fuels and industrial operations.
A
True
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B
False
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Solution
The correct option is B False Pollutants that emit directly from combustion of fuels and industrial operations are called primary pollutants and those which are produced due to reaction of primary pollutants in the atmosphere are called secondary pollutants.An example for this is ozone, which is formed from the primary pollutants such as hydrocarbons and oxides of nitrogen in the presence of sunlight.