Describe the main features of the atmosphere. class 7 social science
Answers
Explanation:
An atmosphere is the thin blanket of air that surrounds the surface of the Earth. ... The gases like Nitrogen, Oxygen, Argon, Carbon dioxide, Neon, Helium etc, contribute to the Earth's atmosphere. It is divided into 5 layers- exosphere, thermosphere,mesosphere, stratosphere and troposphere.
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Answer:
literal meaning of Atmosphere is layers of gases surrounding the earth. There are 4 layers of Atmosphere.
\underline\green{\star{\:\textsf{Troposphere:-}}}
⋆Troposphere:-
It is this layer of atmosphere where all weather changes continuously takes place due to the presence of water vapour and dust particles.
\underline\pink{\star{\:\textsf{Stratosphere:-}}}
⋆Stratosphere:-
The total absent of water vapours and Dustin particles in this layer prevents the formation of clouds. Thus, it provides visibility at its finest.
\underline\blue{\star{\:\textsf{Mesosphere:-}}}
⋆Mesosphere:-
It is cold layer where temperature generally decreases with increasing altitude. Meteors burn up in this layer.
\underline\orange{\star{\:\textsf{Thermosphere:-}}}
⋆Thermosphere:-
In the lower layer of thermosphere [ionosphere] ion-particles are present in concentration. These ion particles are electrically charged and play an important role model our wireless communication.
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