Environment & Ecology · Environment
How are categories of Particulate Matter, specifically PM2.5 and PM10, classified based on physical form and particle size?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Gaseous pollutants that are fully miscible in air
- 2Synthetic qualitative substances introduced solely by human activity
- 3Fine and coarse particles that exist as solid or liquid aerosols✓
- 4Secondary pollutants formed only by photochemical reactions
Correct answer
Fine and coarse particles that exist as solid or liquid aerosols
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