Question

define atmosphere....

Answer 1

Explanation:

the mixture of gases that surrounds the earth or any other star, planet, etc

Answer 2

Hi mate

Here is ur answer

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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.