Environment & Ecology · Environmental Studies
Peroxyacyl nitrate (PAN) and ozone (O3) in the lower atmosphere are classified as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Natural Pollutants
- 2Tertiary Pollutants
- 3Secondary Pollutants✓
- 4Primary Pollutants
Correct answer
Secondary Pollutants
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