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Q: What is 99 percent of the atmosphere is made up of either oxygen or?
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What 99 percent of the atmosphere is made up of either oxygen or .?

nitrogen


What is Earths atmosphere is made up of what?

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.


What is the earth atmosphere mostly made up of?

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.


What is made up of 62 percent Hydrogen 24 percent Oxygen 12 percent Carbon and 1 percent Nitrogen?

The atmosphere.


What is the earths mostly made up of?

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.


What is the amount of gases that the atmosphere is made of?

Earth's atmosphere is made up of the following main gases: nitrogen, oxygen, carbon dioxide, and argon. There also are minute amounts of neon, helium, and methane. The atmosphere contains about 78 percent nitrogen, 20 percent oxygen, 0.93 percent argon, and 0.039 percent carbon dioxide..


99 percent of the atmosphere is made out of?

78% nitrogen gas 21% oxygen gas


Approximately 20 percent of the earths atmosphere is made up of which gas?

Oxygen (O2)


Does the atmosphere contain 21 percent air?

No - out atmosphere is made up of approximately 78% Nitrogen, 21% Oxygen and 1% other gasses.


How much of mars atmosphere is made up of oxygen?

A tiny fraction of a percent. Mars has an extremely thin atmosphere, and what it does have is mostly Carbon Dioxide.


What is the percentage of the atmosphere made up of oxygen?

The percentage of oxygen in the atmosphere is approximately 21%. Nitrogen makes up 78% and the last 2% percent is a mixture of various different gases, mostly argon.


What is the percentage composition of nitrogen in the air?

78 percent Air is mostly gas The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.