How is our atmosphere different from the atmo | vedclass

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(A) The main difference lies in the chemical composition of the atmospheres.Earth's atmosphere consists of a mixture of gases,primarily nitrogen $(78.

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Earth's atmosphere is rich in nitrogen and oxygen,while Venus and Mars have atmospheres dominated by carbon dioxide.

Vedclass · Answer

(A) The main difference lies in the chemical composition of the atmospheres.Earth's atmosphere consists of a mixture of gases,primarily nitrogen $(78.08\%)$,oxygen $(20.95\%)$,carbon dioxide $(0.03\%)$,and water vapour in varying proportions.In contrast,the atmospheres of Venus and Mars are composed primarily of carbon dioxide,accounting for about $95-97\%$ of their total composition.This high concentration of carbon dioxide is likely a primary reason why life as we know it does not exist on Venus and Mars.

How is our atmosphere different from the atmospheres on Venus and Mars?

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