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प्रश्न
What is ‘Atmosphere’?
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उत्तर
The earth is surrounded by coverage of air which extends to height of several hundred kilometres. This is called the atmosphere. Near the surface of the earth, the air is dense, as we go up higher, the atmosphere gets more and more rare field. About half the air composing the atmosphere is found within 5 kilometres of the earth's surface.
संबंधित प्रश्न
Mention any two functions of the atmosphere.
Explain the following term/process in detail:
CFCs
Define the following
Mesosphere
Give reasons for the following :
The ionosphere (thermosphere) is suited to long distance communication.
State two advantages of convectional heating of the atmosphere.
Answer the following questions
Which two gases make the bulk of the atmosphere?
How do Bacteria help plants use nitrogen?
How does nature balance our life? What is the result if this balance is disturbed?
This ______ gas is chemically inactive in atmosphere.
Give Reason:
Nitrogen and oxygen are called permanent gases of the atmosphere.
