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The ozone layer in stratosphere absorbs harmful ________ radiation from the sun.
- Infrared
- Visible
- Ultraviolet
- Radio
Answer: Ultraviolet
Ozone (O₃) absorbs 97-99% of Sun's medium-frequency UV-B and UV-C rays, protecting life from DNA damage. Ozone depletion by CFCs is a major environmental concern. [[NCERT Chemistry Class 11, UNEP Reports]]