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  • Which gas in the atmosphere protects us from harmful ultr...
Multiple choice general knowledge science & technology

Which gas in the atmosphere protects us from harmful ultraviolet radiations

  1. Nitrogen

  2. Ozone

  3. Oxygen

  4. Carbon Dioxide

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ozone layer in the stratosphere absorbs harmful UV radiation, protecting life on Earth. Nitrogen and oxygen make up most of the atmosphere but don't block UV, while CO2 contributes to greenhouse effect.

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