At one point, scientists observed that the ozone shield was getting thinner. They warned that the loss of the effectiveness of this shield may lead to an increase in
(1)allergies to ozone
(2)mutations that lead to cancer
(3)viral diseases, such as AIDS
(4)ice formation at the poles

The ozone layer sits in the stratosphere between 15 km and 30 km above the earth, and shields us and other living things from the sun's harmful ultraviolet radiation.

The ozone layer has three oxygen atoms, and it is the result of the action of Ultra Violet (UV) radiation on oxygen molecules, composed of two oxygen atoms.

Thinning of ozone layer is known as ozone depletion.

Increasing levels of ultraviolet radiation caused by ozone depletion activate normally dormant elements which are capable of causing new mutations

Ultraviolet light is harmful for living organisms as it breaks chemical bonds in DNA and protein, thus causes mutation.

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At one point, scientists observed that the ozone shield was getting thinner. They warned that the loss of the effectiveness of this shield may lead to an increase in (1)allergies to ozone (2)mutations that lead to cancer (3)viral diseases, such as AIDS (4)ice formation at the poles

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What is ozone layer?

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At one point, scientists observed that the ozone shield was getting thinner. They warned that the loss of the effectiveness of this shield may lead to an increase in
(1)allergies to ozone
(2)mutations that lead to cancer
(3)viral diseases, such as AIDS
(4)ice formation at the poles