Question

what is atmosphere?define atmosphere?​

Answer 1

Answer:

Atmosphere: it is an envelope of gases surrounding the Earth or another planet. Atmosphere is further divided into Four Layers :

1.Troposphere

2.Stratosphere

3.Mesosphere

4.Thermosphere

Explanation:

Answer 2

Answer:

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.