Atmosphere


 
 
Concept Explanation
 

Atmosphere

Atmosphere:

The envelope of gases extending to a height of about 1600 km from the surface of the earth is called the atmosphere. An example of atmosphere is the ozone and the other layers which make up the Earth's sky as we see it. 

Earth's atmosphere is composed of about 78% nitrogen(N_2) , 21% oxygen(O_2) ,0.9% argon(Ar) ,0.1% other gases. Trace amount of  carbon dioxide (CO_2), methane(CH_4), water vapours and neon are some of the other gases that make up the remaining 0.1%.

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Sample Questions
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Question : 1

The amount of percent of Oxygen is present in the Air is ______________

Right Option : B
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Question : 2

The gas which is present in highest amount in the atmosphere is ________________.

Right Option : A
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Question : 3

An atmosphere is a layer or a set of layers of ______________ surrounding a planet or other material body. 

Right Option : C
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