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%.

.... (More Text Available, Login?)
Sample Questions
(More Questions for each concept available in Login)
Question : 1

The layer which is present on the ground level is ________________.

Right Option : A
View Explanation
Explanation
Question : 2

Earth has an atmosphere. Name two other planets which also have atmosphere.

Right Option : C
View Explanation
Explanation
Question : 3

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

Right Option : C
View Explanation
Explanation
 
 


Students / Parents Reviews [20]