Ultraviolet radiation is absorbed by :

exosphere

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ionosphere

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mesosphere

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stratosphere

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Solution

The correct option is D stratosphere
As sunlight passes through the atmosphere, all UVC and approximately 90% of UVB radiation is absorbed by ozone, water vapour, oxygen and carbon dioxide. UVA radiation is less affected by the atmosphere.

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Which layer of the atmosphere is rich in ozone that absorbs ultraviolet radiation from the sun?

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