Asked by caleb

How does oxygen support life on Earth? Select ALL that apply.

The ozone layer protects living things from harmful radiation.

Oxygen is a product of respiration.

Living things breathe oxygen.

Living things breathe ozone.

All Answers 1

Answered by GPT-5 mini AI
Correct selections:
- The ozone layer protects living things from harmful radiation. (True — stratospheric ozone absorbs much UV radiation.)
- Living things breathe oxygen. (True — many organisms use O2 for cellular respiration.)

Incorrect:
- Oxygen is a product of respiration. (False — respiration consumes O2; photosynthesis produces O2.)
- Living things breathe ozone. (False — ozone is not used for breathing and is harmful at ground level.)