Question

what is called ozone depletion what are the causes of ozone depletion .​

Answer 1

Answer:

Ozone depletion, gradual thinning of Earth's ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities. The thinning is most pronounced in the polar regions, especially over Antarctica.

Answer 2

Answer:

Chlorofluorocarbons or CFCs are the main cause of ozone layer depletion. ... The molecules of chlorofluorocarbons in the stratosphere are broken down by the ultraviolet radiations and release chlorine atoms. These atoms react with ozone and destroy it.