Ozone layer is depleted by______and______.

Q. The depletion of ozone layer is a cause of concern. Why?

Q. Define ozone layer. Why is ozone layer getting depleted at higher level of the atmosphere?

Q. Assertion (A) : Ozone depletion leads to global warming.
Reason (R) : UV rays cause destruction of the ozone layer.

Q. Ozone layer depletion is caused by
(a) PAN
(b) CO₂
(c) CFCs
(d) coal burning

Q. Explain ozone layer, its depletion and effects of ozone depletion.