Multiple choice

The ozone layer, which has been degraded by gases released by human activities, is found in which part of Earth's atmosphere?

  1. Troposphere

  2. Ionosphere

  3. Stratosphere

  4. Mesosphere

  5. Lithosphere

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

Within the stratosphere, ozone accumulates sufficiently to produce a well marked ozone layer that extends from 13 to 23 miles above sea level.