Question

The ____ contains the highest concentration of ozone.

a. troposphere
c. stratosphere
b. mesosphere
d. exosphere

Answer 1

Answer: Option (c) is the correct answer.

Step-by-step explanation:

A layer above the troposphere and below the mesosphere is known as stratosphere.

This layer of stratosphere contains about 90% concentration of ozone and there is no occurrence of weather in this layer.

The occurrence of ozone in stratosphere makes it warmer.

Therefore, we can conclude that the stratosphere contains the highest concentration of ozone.

Answer 2

C. The stratosphere. About 90% of the ozone is in the stratosphere which begins about 8 miles above the Earth's surface.