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What is the percentage of oxygen in the Earth's atmosphere by mass?
The percentage of oxygen in the Earth's atmosphere by mass is approximately 21.
What percentage of the Earth's atmosphere is composed of oxygen?
About 21% of the Earth's atmosphere is composed of oxygen.
What percentage of oxygen is present in the Earth's atmosphere?
About 21 of the Earth's atmosphere is made up of oxygen.
What percentage of Earth's atmosphere does oxygen take up?
Oxygen makes up about 21% of Earth's atmosphere.
What is the percentage of oxygen you breathe from the atmosphere?
The atmosphere is composed of approximately 21% oxygen.
What percentage of the air around us is oxygen?
The percentage of oxygen in the atmosphere is 20.75%. The atmosphere has many other elements that we breathe in besides oxygen. Oxygen needs to be present for life on earth.
What is the approximate percentage of oxygen in the atmosphere?
Earth's atmosphere is about 21% oxygen by volume (for dry air).
What is the percentage of oxygen in the world?
21% oxygen, 78% nitrogen, and 1% of other gases
Which is the approximate percentage by volume of oxygen present in earths atmosphere at location 2?
The approximate percentage by volume of oxygen in Earth's atmosphere at location 2 is around 21%.
What percentage of Earth's atmosphere iis oxygen?
21 %
What is the percentage for oxygen in the atmosphere?
roughly 21 percent.
Which two gases make up the largest percentage of the atmosphere?
Nitrogen and oxygen make up the largest percentage of the atmosphere.
