Question

How is ozone formed in the upper part of the atmosphere of the earth?depletion of ozone is a cause of worry why?

Answer 1

Ozone in the upper layer of atmosphere ( stratosphere) is called good ozone. It is a protective layer of molecules, each containing three atoms of oxygen (O3). ... It absorbs the UV radiations to give a molecule of diatomic oxygen.

it is a cause of worry because Ozone layer protect from UV rays and other dangerous rays of sun from us.Depletion of ozone layercause for temperature increases, ultraviolet (UV) rays directly comes to earth, can cause skin cancer.

Answer 2

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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.