The ozone layer is contained within the troposphere.
Explanation: Troposphere refers to the lowest atmospheric layer of the earth. This is where all the Earth's weather occurs and it has about 80% total mass of the atmosphere. The types of cloud are seen in the troposphere and it is also the densest layer of the atmosphere. The layer above the troposphere is called the stratosphere.
The ozone layer refers to one of the layers of the stratosphere which absorbs the harmful ultraviolet radiation released from the sun .
