Earth's Atmosphere

there are many differences in between earth's atmosphere and the moons or mars atmosphere earth has evaporated water in clouds and comes down as precipitation (rain) earths atmosphere also has an ozone layer that protects us from ultraviolet light from the sun unlike the moon or mars on the earth also is only 60 miles thick other planets have little or no atmosphere. are atmosphere is made up of mainly nitrogen then oxygen and traces of other gases like krypton

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