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Ozone layer above the surface of Earth provides a shield against
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- X-rays
- Ultra-violet rays
- Gamma rays
- Infra-red rays
- X-rays
Correct Option: B
The Ozone layer absorbs 97–99% of the Sun’s medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.
