Question

What is atmosphere?

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Answer 1

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.

Explanation:

Hope this answer helps you.

Answer 2

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What is atmosphere?

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The thick gaseous layer that surrounds the earth is known as the atmosphere.

It consists of different gases like Nitrogen, Oxygen, Carbon dioxide, Hydrogen etc. The atmosphere is extended upto a height of about 480 km. from the earth's surface. In addition, the atmosphere also contains water particles and dust particles. The four zones are Lithosphere, Hydrosphere, Atmosphere and Biosphere are interdependent to one another. Different cycles like Hydrological cycle, Carbon cycle etc are to be found within these zones. The actions and reactions of these cycles gives rise to the formation of suitable and useful environment for the organisms living on the earth. It has already been mentioned that the biotic and abiotic components are interrelated to each other and we get this present state of the environment through the complex network of this relationship. The environment has been changing through time and in fact, this change is the outcome of the ever-changing nature of the components of the environment. The role of human being is worth mentioning in this regard.