Question

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define atmosphere​

Answer 1

Answer:

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Explanation:

An atmosphere is the layers of gases surrounding a planet or other celestial body. ... These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure

Answer 2

Explanation:

Troposphere: It is the lowest layer of earth atmosphere.

Sratosphere: It is the second layer of earth atmosphere and lies above the troposphere.

Mesosphere: It is the third layer of the atmosphere and extend from about 50 kilometers to 80 kilometers.

Thermosphere: It is the fourth layer of the atmosphere. It extend from about 80 kilometers to 640 kilometers.

Exosphere: This is the outermost layer in which the earth atmosphere merges with space.