Multiple choice

What does the ozone layer do?

  1. Stops people from leaving the earths atmosphere

  2. Stops aliens getting in to Earth

  3. It filters the suns UV rays

  4. It doesn't do anything

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

The ozone layer in the Earth's stratosphere absorbs most of the sun's harmful ultraviolet (UV) radiation, protecting life on the surface.