Question

what is atmosphere and how many layers

Answer 1

Atmosphere = The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

Troposphere
Mesosphere
Stratosphere
Thermosphere

Exosphere ( not in atmosphere )

Answer 2

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ATMOSPHERE: Earth is surrounded by a layer called atmosphere.. It is the mixture of gases..

It is divided into 5 layers:

TROPOSPHERE: It is the inner most layer to the surface of earth. It is 13kms height from surface of earth. Maximum of gases found here. As we high the temperature increases.


SRATOSPHERE: It height is upto 50kms. This layer is free from clouds. So fly crafts are able to fly. Ozone layer is present here. As we go high temperature decreases..


MESOSPHERE: It is the layer upto 80 kms. As meteorites entrr this layer they Will burn.. As we go high temperature increases...

THERMOSPHERE: It is the layer upto 200kms.
This layer contains electrically charged materials called ions. Hence it is also said to be ionosphere...

EXOSPHERE: This is the last layer and very little is known about it...


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