# What is the importance of the atmosphere?

Jun 7, 2018

Atmosphere is the envelope of gas which surrounds any celestial body.

#### Explanation:

The importance of atmosphere of the earth are:-

$\implies$ The presence of the atmosphere plays a significant role in the water cycle. It facilitates the formation of clouds which remains suspended until they are heavy enough to pour down on the earth as rain,hail or snow.

$\implies$Protects the life forms of the earth from the harmful UV rays of the sun.The presence of the ozone layer does this by reflecting the UV rays of the sun.

$\implies$ It keeps the temperature of the earth constant so that it is suitable to support life.

$\implies$ It protects the earth from smaller meteors.

$\implies$ Contains ${N}_{2}$ ,${O}_{2}$ and other gases which are necessary to support the life form on the earth.

$\implies$Facilitates combustion and without the atmosphere combustion is not possible.

Here is the structure of the atmosphere:-