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Which of the following is threat to the ozonosphere?

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Which of the following is threat to the ozonosphere?

(a) Nitrogen dioxide

(b) Oxygen

(c) CFCs

(d) Carbon dioxide

I got this question during an interview for a job.

I would like to ask this question from Ozone Layer Depletion in portion Social Issues and the Environment of Energy Management

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Correct option is (c) CFCs

Easiest explanation: Ozone layer within the atmosphere protects life on earth from harmful ultraviolent radiation from the sun. Chlorofluorocarbons (CFCs) that were used as refrigerants and aerosol spray propellants expose a threat to the ozonosphere.

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