Question

Explain the two broad categories of major sources of Air pollution?
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Answer 1

Answer:

Sources are commonly classified into three broad groups: primary, secondary, and re-emission sources. A primary source results from the direct emissions from an air pollution source. ... Point sources' emissions are from emissions stacks and tend to lead to very large spatial and temporal gradients in concentration

Answer 2

Answer:

Explain the two broad categories of major sources of Air pollution?

Explanation:

Explain the two broad categories of major sources of Air pollution?