AP Environmental Science : Ozone Formation

Example Questions

Example Question #1 : Ozone

Where in the atmosphere does the ozone layer reside?

Mesosphere

Thermosphere

Troposphere

Stratosphere

Stratosphere

Explanation:

The ozone layer is far enough from organisms not to harm them, but also is close enough to the Earth's surface to maintain the proper temperature and hold its layer rigidity. The stratosphere is the correct answer.