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Approximately 20% of Earth's atmosphere is composed of oxygen (O2). Nitrogen (N2) makes up the majority of the atmosphere at around 78%. The remaining gases include argon, carbon dioxide, and trace amounts of other gases.

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1y ago

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

Approximately 20 percent of the Earth's atmosphere is made up of oxygen.


Approximately 20 percent of the earths atmosphere is composed of?

Oxygen (O2) 21%, Nitrogen (N2) 78%, and traces of other gases like argon, carbon dioxide, and neon.


What is the percentage of oxygen you breathe from the atmosphere?

The atmosphere is composed of approximately 21% oxygen.


What percentage of our atomphear is oxygen?

Approximately 21% of Earth's atmosphere is composed of oxygen.


What are the component of athmosphere?

Earth's atmosphere is composed of (approximately) 79% Nitrogen, 20% Oxygen and 1% 'other' gasses (such as Argon, Carbon Dioxide etc).


Gas that makes up 20 percent of total air volume in earths atmosphere?

Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.


What is the concentration of oxygen in the earth's atmosphere?

Approximately 20%.


What is the density of Earths atmosphere?

1.2 kg/m3at sea level and at 20 C


What is Triton's atmosphere made up of in percents?

Triton's atmosphere is made up of about 70% Nitrogen, (N2) 20% Methane (CH4) and roughly 10% Carbon Monoxide (CO).


Where is oxygen obtained for mammals?

Obtained by Earths atmosphere which is 20% Oxygen and processed by the aveoli (part of the lung).


What is the atmosphere that surrounds the earth made of?

The Earth's atmosphere is primarily composed of nitrogen (78%) and oxygen (21%). Other gases such as carbon dioxide, argon, and trace amounts of other gases also make up the atmosphere. Water vapor, particulate matter, and pollutants are also present in varying amounts.


Is oxygen found more in the earth's atmosphere more than argon?

Yes, the earths atmosphere has around 20% oxygen, but less than 1% argon.