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20% oxygen. Argon is the largest remaining component (less than 1%). The remainder is trace gases as well as particulates.

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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.


How much of the earths atmosphere is made up of nitrogen and oxygen?

The earths atmosphere is made up of 78% nitrogen and 21% oxygen


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.


How much is the earth atmosphere is made up of nitrogen and oxygen?

The earths atmosphere is made up of 78% nitrogen and 21% oxygen


Most of the earths atmosphere is made up of what gas?

Nitrogen makes up about 78% of Earth's atmosphere.


Would you find nitrogen in the earths atmosphere?

Yes, 80% of the Earths atmosphere is made up of nitrogen.


What gas has made up the largest portion of earths atmosphere for most of earths history?

Nitrogen has made up the largest portion of Earth's atmosphere for most of Earth's history. It currently makes up about 78% of the atmosphere.


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 makes up 1 percent of Earth's atmosphere?

1 percent of the earths atmosphere is made of the following: - Argon (0.93%) - Carbon dioxide (0.03%) - Neon> trace - Helium> trace - Methane> trace - Krypton> trace - Xenon> trace - Hydrogen> trace - Ozone> trace 21% of earths atmosphere is made of oxygen 78% of earths atmosphere is made of nitrogen


What is 80 percent of the atmosphere?

Depends somewhat on altitude, but generally nearly 80% is nitrogen.


The Earth's atmosphere is made up of 78 percent?

Nitrogen.


What fraction of the atmosphere is made up of nitrogen gas?

The Earth's atmosphere is approximately 78 percent nitrogen.