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Sources of air pollution include:

Sources of air pollution include:

  • (A) Vehicular emissions
  • (B) Oil refineries and factories
  • (C) Volcanic eruptions
  • (D) All of these
There are many sources of air pollution, both from human activities and natural causes, which spew forth harmful substances into the air. On the move, automobiles, lorries, and buses emit significant amounts of pollutants, including nitrogen oxides, carbon monoxide, and a haze of particles. At stationary sites, oil refineries and factories discharge significant amounts of sulfur dioxide, VOCs, and other harmful industrial chemicals. And then there are the natural causes of air pollution, including volcanic eruptions that spew forth ash, smoke, and sulfur dioxide into the air in huge quantities.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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