The atmosphere contains about 78% nitrogen gas, 21% oxygen, less than 1% argon, and a number of trace gases including 0.04% carbon dioxide. The percentage of water vapor varies, with as much as 1% by weight at the surface, and an average of 0.4% for the atmosphere as a whole. A cubic meter of air at the surface can hold up to 30 grams (1/6 fluid ounce) of water.
The atmosphere includes a layer of ozone (O3) within the stratosphere, and an ionized layer of rarefied gases at high altitudes.
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! (:
Saturn
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