Question : Ultraviolet radiation striking the earth is due to the depletion of
Option 1: Carbon monoxide
Option 2: Carbondioxide
Option 3: Ozone
Option 4: oxygen
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Correct Answer: Ozone
Solution : The correct option is Ozone.
Some of the radiation is filtered and absorbed by the Earth's atmosphere, particularly in the UV spectrum. The ozone layer in the Earth's stratosphere absorbs and blocks a considerable amount of UV radiation. The ozone layer is being depleted as a result of man-made compounds such as chlorofluorocarbons (CFCs), which can lead to ozone layer thinning and, as a result, increase the quantity of UV radiation reaching the Earth's surface.
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