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Question
Ultraviolet radiation in the stratosphere is absorbed by
Options:
A .  Ozone
B .  SO2
C .  Argon
D .  Oxygen
Answer: Option A
Answer: (a)The ozone layer of Earth’s stratosphere absorbs most of the Sun’s ultraviolet radiation. It absorbs 97 to 99 percent of the Sun’s medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms on the earth.

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