Most of the atmospheric air pollutants are present in large quantity in__________________?
Correct answer: C. Troposphere
- A. Stratosphere
- B. Thermosphere
- C. Troposphere
- D. Mesosphere
Explanation
The troposphere contains most of the atmosphere's mass, water vapour and ground-level pollutant emissions, so pollutants are concentrated there. The upper atmospheric layers are thinner and generally contain fewer pollutants.
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