The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of:

The thickness of ozone layer from base to top of atmosphere is measured in :

The maximum concentration of Ozone gas is found in which atmospheric layer?

In which layer of the Earth's atmosphere is the concentration of ozone gas maximum?

Most ozone gas (about 90%) is located in the atmospheric layer of

Ozone layer, which absorbs the ultra-violet radiation, is found in which one of the following layers of the atmosphere?