Multiple Choice
How do primary air pollutants differ from secondary air pollutants?
A) Primary air pollutants contain oxygen, while secondary pollutants do not.
B) Primary air pollutants cause greater health impacts than secondary pollutants do.
C) Primary air pollutants are released directly into the atmosphere, while secondary air pollutants are formed by chemical reactions in the atmosphere.
D) Primary air pollutants are formed through photochemical reactions in sunlight, while secondary air pollutants are not.
Correct Answer:
Verified
Correct Answer:
Verified
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