Multiple choice general knowledge science & technology

The depletion of which of the following can contribute to stronger UV rays reaching earth?

  1. Ozone layer

  2. Oxygen

  3. Carbon Dioxide

  4. Clouds
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The ozone layer in the stratosphere absorbs most of the Sun's harmful UV radiation. When this layer is depleted by chemicals like CFCs, more UV rays reach Earth's surface. Oxygen, carbon dioxide, and clouds do not perform this protective UV-filtering function.

Keep practicing — related questions