Which of the following are secondary air pollutions
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Answer:
- PAN
- Ozone
- Smog
Explanation:
- Secondary pollutants are produced photochemically from primary pollutants and are called photochemical oxidants.
- These include peroxyacyl nitrates (PAN), ozone, aldehydes, smog, etc.
- CO, CO2 and SO2 are primary pollutants.
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