174. Which of the following pollutants is responsible for depletion of ozone layer?

Which of the following pollutants is responsible for depletion of ozone layer?

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Q. Which of the following pollutants is responsible for depletion of ozone layer?

  1. Un-burnt hydrocarbon
  2. UV rays
  3. Chlorofluorocarbons
  4. Oxides of nitrogen

Answer: Chlorofluorocarbons

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