The depletion of ozone layer has been caused mainly by _____...? Mcqs

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The depletion of ozone layer has been caused mainly by _____...?

(A) The release of industrial waste

(B) The deforestation of large area land

(C) The release of chlorofluorocarbons into the atmosphere

(D) None of these

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Source: This question is taken from the Everyday Science

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Ozone layer is part of ______...?

(A) Mesosphere

(B) Stratosphere

(C) Thermosphere

(D) Troposphere

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Source: This question is taken from the Everyday Science

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