What is the 'ozone layer' and where is it located?

Quiz Options

• A layer of ozone gas in the troposphere that absorbs UV radiation
• A layer of ozone gas in the stratosphere that absorbs UV radiation
• A layer of ozone gas in the mesosphere that reflects radio waves
• A layer of ozone gas in the thermosphere that traps heat

Explanation

The ozone layer in the stratosphere protects life on Earth by absorbing most of the Sun's harmful ultraviolet radiation.