Mars's atmosphere in composed primarily of carbon dioxide, with small amounts of nitrogen and argon, and trace amounts of oxygen, water vapor, carbon monoxide, and various other gasses.
Wiki User
∙ 13y agoWiki User
∙ 11y agoits mostly composed of carbon dioxide
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
Oxygen makes up 21% of the Earths atmosphere.
Nitrogen makes up about 80% of the Earth's atmosphere.
Nitrogen
Troposphere.
Nitrogen makes up about 79% of the atmosphere.
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
CO2 makes up approximately 0.03% of Earth's atmosphere
Oxygen makes up 95% of Earth's atmosphere.
Oxygen makes up 21% of the Earths atmosphere.
Nitrogen makes up 78% of the earths atmosphere Oxygen makes up 21% of the earths atmosphere
Earth's atmosphere makes up a blanket or an envelope around it, which is a mixture of many gases.
Nitrogen is the substance that makes up most of earth's atmosphere making up 78% of the gases
Nitrogen makes up the largest quantity in Earth's Atmosphere at 78%.
Argon makes up about .93 percent of the Earths atmosphere. Hope this helps! (:
oxygen
Saturn