The ultraviolet radiations in the stratosphere are absorbed by

Recognizing the deleterious effects of ozone depletion,an international treaty known as . . . . . . was signed at . . . . . . .

Which of the following is not one of the prime health risks associated with greater $UV$ radiations through the atmosphere due to depletion of stratospheric ozone?

Why is an ozone hole formed over Antarctica? How will enhanced ultraviolet radiation affect us?

The maximum concentration of ozone in the atmosphere is measured in terms of:

The thickness of ozone in a column of air in the atmosphere is measured in terms of: