Environmental Sciences, asked by Anonymous, 1 year ago

what are the damaging effect of ozone layer depletion..

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Answers

Answered by saivivek16
1

Hey mate,...

(i) Ozone depletion occurs widely in the stratosphere. Its major impact has been felt in the Antarctic region in the form of what is known as the ozone hole.

(ii) Ozone acts as a shield that prevents harmful UV radiations from entering the earth’s atmosphere. Ozone depletion causes these radiations to enter earth’s atmosphere.

(iii) The UV radiations cause skin darkening, skin cancer, ageing and corneal cataracts.

(iv) These harmful effects are observed because exposure to UV radiations results in lethal mutations in the cellular DNA.

Hope it will help you.

Sai.

Answered by Anonymous
4

chlorofluorocarbons which are used in refrigerators, air conditioners and aerosol ,when released in air, damage the ozone layer of atmosphere.

Damaging effects of Ozone Layer Depletion:-

1. harmful ultraviolet radiations reaching the earth causes various diseases in human beings, such as cataract, skin cancer, damage of eyesight etc.

2. harmful ultraviolet radiation can bring about changes in the gene structure leading in mutation.

3.harmuful ultraviolet radiation cause damage to early developmental stages of fish, crabs and other animals.

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