What is the difference between primary and secondary pollutants?

asked Mar 8, 2017 33.4k views

1 vote

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3 votes

A primary pollutant is an air pollutant emitted directly from a source a secondary pollutant is not directly emitted as much

JasonTrue answered Mar 8, 2017

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5 votes

primary pollutants affect the world more than secondary pollutants

Martingw answered Mar 12, 2017

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