Question

ozone hole refer to​

Answer 1

Ozone Hole : A region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of CFCs and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.

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Answer 2

HERE IS UR ANSWER

DECREASE IN THICKNESS OF OZONE LAYER IN STRATOSPHERE.