- A 1 and 2 only
- B 1, 2, and 3
- C 2 and 3 only
- D 1 and 3 only
UGC NET SET - Paper 1 Sources of Pollution, Pollutants, and their Impact on Human life
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1. It is mainly due to incomplete combustion of fuel.
2. They are more evident in petrol engine.
3. Long-term exposure can cause nausea.
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