The harmful effects of air pollution depend on $.......$.

  • A
    Concentration of pollutants
  • B
    Organism
  • C
    Duration of exposure
  • D
    All of the above

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In cities like Mumbai and Kolkata,the major air pollutants are .....

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Identify the given figure.

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The Air (Prevention and Control of Pollution) Act was amended in $1987$ to include which of the following among pollutants?

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