Question

cause of atmospher in earth​

Answer 1

During the time of our earth's molten stage, many gases were evolved from the earth. These gases were obstructed to escape into the space by the gravitational force of our earth. After some million years, a gas layer has been formed around the earth called the " Atmosphere ".

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Answer 2

Earth's original atmosphere was probably just hydrogen and helium, because these were the main gases in the dusty, gassy disk around the Sun from which the planets formed. The Earth and its atmosphere were very hot.Actually, they moved so fast they eventually all escaped Earth's gravity and drifted off into space.

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