Multiple choice

In which layer is the ozone layer?

  1. Troposphere

  2. Stratosphere

  3. Thermosphere

  4. Mesosphere

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

The ozone layer is located in the stratosphere, roughly 15 to 35 km above Earth's surface. It contains high concentrations of ozone (O3) which absorb harmful ultraviolet radiation.