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The ozone layer protects us from

  • A.Radio waves
  • B.Visual radiation
  • C.Ultra violet rays
  • D.Infrared radiation

Answer: C

The ozone layer protects us from ultraviolet rays.

Ozone absorbs strongly between about 200 and 320 nm, screening out almost all UV-C and most UV-B - the wavelengths that damage DNA and cause skin cancer and cataract. Visible light and infrared pass through freely.

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