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Question

The depletion of ozone layer in the upper atmosphere is mainly due to the emission of:​

A
greenhouse gases​
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B
cholorofluorocarbons​
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C
unburnt hydrocarbons​
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D
ultraviolet radiations​
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Solution

The correct option is B cholorofluorocarbons​
Solution:-​

The correct answer is (b) chloroflurocarbons.​ ​
  • Chlorofluorocarbons or CFCs are the chemicals that are used in refrigeration, in fire extinguishers and as aerosols.​ ​
  • They react with the ozone layer and destroy it, allowing more UV rays to pass through it.​

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