Question

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Refer the attached attachment

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Answer 1

Answer :-

Option a.

Ozone Layer

Ozone layer protects the Earth from the Ultra Violet Rays the sun.

⟩⟩ Extra info ⟨⟨

• The blanket of air that surrounds the earth is called atmosphere.

• The atmosphere of the earth can be divided into various layers based on the certain features of its parts.

• The stratosphere has part which is rich in ozone gas this ozone reflects the harmful UV rays (ultraviolet radiations) back into space.

• Clouds are masses of water vapour hanging in the lower most layer of the earth (Stratosphere)

• UV rays can easily pass through clouds.

Therefore the answer is

Option a.

Ozone layer

Answer 2

Answer :-

$<b>Ozone layer(option B)</b>$ is the part of the earth that protect us from sun's harmful radiation.

▶️ It can be called as natural blanket or belt

▶️It consists of ozone $(O_3)$ .

▶️It was discovered in $<b>1913 </b>$.

▶️It acts as a natural filter against UV radiation of sun

▶️ It is mainly found in the lower portion of the stratosphere.

▶️Nowadays it is getting destroyed by harmful gases like $<b>CFCs(chlorofluorocarbons) </b>$ and many other gases which increases the UV radiation .

▶️$<b>16th sept is declared as International Day for the Preservation of the Ozone Layer.</b>$

Hope it helps you :)

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