What is the primary cause of the depletion of the ozone layer in the stratosphere?

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Nitrogen oxides (NOx)

Chlorofluorocarbons (CFCs)

Carbon monoxide (CO)

Volcanic eruptions

Answer: Chlorofluorocarbons (CFCs)

Explanation:

Chlorofluorocarbons (CFCs) are the primary cause of ozone layer depletion in the stratosphere.