Oxygen makes up 95% of Earth's atmosphere.
Argon makes up about .93 percent of the Earths atmosphere. Hope this helps! (:
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
Nitrogen is the gaseous nonmetal that makes up 78 percent of Earth's atmosphere.
Oxygen makes up 21 percent of Earth's atmosphere.
Nitrogen
Nitrogen makes up 78% of Earth's atmosphere.
Earth's atmosphere is mostly made up of nitrogen, which makes up 79 percent. The atmosphere contains 20 percent oxygen and 1 percent other gases.
Troposphere.
argon
Oxygen is the gas that makes up about 21 percent of the Earth's atmosphere.
Earth's atmosphere is mostly made up of nitrogen, which makes up 79 percent. The atmosphere contains 20 percent oxygen and 1 percent other gases.
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