Most air pollution is concentrated in the troposphere, which is the lowest layer of Earth's atmosphere extending from the Earth's surface up to about 7-20 km. This is because the sources of most air pollution are at ground level (industries, vehicles, etc.), and weather phenomena that mix air and pollutants primarily occur within the troposphere.
Most of the air pollution that we experience is located in :
Asked in HPPSC HPAS Prelims 2021 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
More Environment and Ecology questions
- Match List I with List II: List I (Air Pollution Incident) (a) Meuse (1930) (b) Donora (1948) (c) Bhopal (1984) (d) London (1952) List II (Country) (i) England (ii) India (iii) USA (iv) Belgium Choose the correct answer from the options given below:
- This matches (iii) USA. (c) Bhopal (1984): The Bhopal gas tragedy occurred in Bhopal, India in 1984. This matches (ii) India. (d) London (1952): The Great Smog of London occurred in London, England (UK) in 1952. This matches (i) England. 30. The main precursors of winter smog are :
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- Consider the following statements regarding SAFAR system inaugurated recently :
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