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Q.

Which of the following is threat to the ozonosphere? 

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a

Nitrogen dioxide

b

Carbon dioxide

c

CFCs

d

Oxygen

answer is C.

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Detailed Solution

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  • The ozone layer in the atmosphere shields life on Earth from the sun's damaging UV radiation. 
  • The ozone layer is under risk due to the usage of chlorofluorocarbons (CFCs) as propellants in aerosol sprays and as refrigerants.
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