Q:

A survey on air pollution was conducted in an urban area to determine the major contaminant in air. The major contaminant estimated in all air pollution is:

waelhammad
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2022-12-01
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A survey on air pollution was conducted in an urban area to determine the major contaminant in air. The major contaminant estimated in all air pollution is: 

  1. Grit and dust
  2. Sulphur dioxide
  3. Carbon monoxide
  4. Nitrogen dioxide
  5. Smoke index
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waelhammad
2022-12-01
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b) Sulphur dioxide

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