Ozone absorbs infrared radiation from the Sun. Ozone absorbs ultraviolet radiation from the Sun. Ozone is necessary to create oxygen for living things. Ozone in the atmosphere prevents radiation of heat from Earth.
I gave my students this multiple choice question: Why is the ozone content of the stratosphere important to living organisms?

Only one answer is correct among these 4 choices:
- Ozone absorbs infrared radiation from the Sun.
- Ozone absorbs ultraviolet radiation from the Sun.
- Ozone is necessary to create oxygen for living things.
- Ozone in the atmosphere prevents radiation of heat from Earth.

Could you tell me which one is correct?

Ozone absorbs ultraviolet radiation from the Sun.