Question

define 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:

Answer 2

Explanation:

1. The atmosphere surrounds earth and protects us by blocking out dangerous rays from the sun.

2. Is a mixture of gases that is layered and become thinner until is gradually reaches space.