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NO LINKS NO FAKE ANSWERS. How are primary and secondary pollutants different?

User Yudelca
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Answer:

A primary pollutant is an air pollutant 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.

Step-by-step explanation:

hope it helps

User Ichthyo
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