Question

What do you mean by ozone layer. Where it is? What are the reasons for the depletion of it?

Answer 1

Answer:

(I) A layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

(II) It is present stratosphere.

(III) The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants and foam-blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).

Explanation:

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Answer 2

Answer:

ozone layer is protective shield which protect us from the harmful uv rays released by the sun. It is present over the atmosphere.

The reasons for the depletion of ozone layer are 1 due to increased quantity of CO2;

2 more use of CFC (chloroflorocarbon).

Explanation:

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