what are the primary and secondary pollutants
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Primary & Secondary pollutant. Definition: A primary pollutant is an airpollutant emitted directly from a source. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.
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A primary pollutant is an air pollutantemitted directly from a source. Asecondary pollutant is not directly emitted as such, but forms when otherpollutants (primary pollutants) react in the atmosphere.........:)
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