Environment & Ecology · Environment
What are the primary sources of air pollution in urban areas?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Natural occurrences such as volcanic ash or forest fires
- 2Use of biodegradable materials like paper bags
- 3Vehicle exhaust, industrial processes, power plants, and burning fossil fuels for heating✓
- 4Factory emissions and agricultural activities near cities
Correct answer
Vehicle exhaust, industrial processes, power plants, and burning fossil fuels for heating
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