CUET Preparation Today
In which part of earth's atmosphere is the ozone layer present? |
Troposphere Stratosphere Ionosphere Mesosphere |
Stratosphere |
The ozone layer is mainly found in the lower portion of the stratosphere, i.e. approximately 20-30 km above the earth, though its thickness varies seasonally and geographically. Ozone layer acts as a shield by absorbing UV- rays from the sun |
