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Oxygen
June Douglas
Wiki User
∙ 6y agoits oxygen that is aprox 21% and major part of air is nitrogen i.e. 79%
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What gas is 21 percent of the Earth's atmosphere?
Oxygen
Which gas forms 21 percent of the Earth's atmosphere?
oxygen
What is 21 percent of Earth's atmosphere composed of?
Oxygen.
What two elements comprise 99 percent of the volume of the Earth's atmosphere?
Earth's atmosphere is roughly 78% Nitrogen & 21% Oxygen.
What is the percentage of the Atmosphere nitrogen?
Nitrogen makes up about 80% of the Earth's atmosphere.
What gas is 21 percent of the Earth's atmosphere?
Oxygen
Which gas forms 21 percent of the Earth's atmosphere?
oxygen
This gas makes up 21 percent of Earth's atmosphere It is responsible for the greenish color of the northern lights It is the most abundant element in earth's crust 49 percent?
This gas is oxygen.
What is the gas that makes up the largest percent of the atmosphere?
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
Is 21 percent of the earth's atmosphere nitrogen?
No, 21% of Earth's atmosphere is oxygen. Nitrogen makes up 78%.
What is 21 percent of Earth's atmosphere composed of?
Oxygen.
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.
99 percent of the atmosphere is made out of?
78% nitrogen gas 21% oxygen gas
Which planet's atmosphere is 78 percent nitrogen?
The Earth has an atmosphere of 78% nitrogen (and 21% oxygen).
How did oxygen become to be 21 percent of Earth's atmosphere?
Since 79% of earth's atmosphere is all living and non living things. The remainder of that which is 21% would be oxygen.
What two elements comprise 99 percent of the volume of the Earth's atmosphere?
Earth's atmosphere is roughly 78% Nitrogen & 21% Oxygen.
What is the second most abundant gas in the Earth's atmosphere?
Oxygen
