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What is over 99 percent of the atmosphere in pure dry air composed of?
Nitrogen 78%, oxygen 21%
Is the oxygen not found the dry air?
It is. Dry air lacks water vapor, not oxygen.
What percent of the air we breath is oxygen?
About 21% of air is oxygen.
What percentage of dry air is made up of carbon dioxide?
its air dry made up of oxygen...
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
Is the oxygen not found the dry air?
It is. Dry air lacks water vapor, not oxygen.
What is over 99 percent of the atmosphere in pure dry air composed of?
Nitrogen 78%, oxygen 21%
What percent of the air we breath is oxygen?
About 21% of air is oxygen.
How much air is the the oxygen is in the morning?
Concentration of oxygen in dry air is 20,946 %.
What percent of oxygen is in the atmophere?
Dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.
Does humidity increase atmospheric pressure?
No, the more water vapor the air contains, the lighter it is. When water vapor enters the atmosphere, it pushes out an equal volume of dry air. A cubic meter of dry air is 99 percent nitrogen and oxygen. A cubic meter of humid air with 2 percent water vapor is only 97 percent nitrogen and oxygen. Water vapor is lighter than the nitrogen and oxygen it pushed out. Therefore, humid air weighs less than dry air and exerts less pressure.
What percent of the earth's air is oxygen?
The composition of air is usually sated as a dry composition (without water vapour). About 21% is oxygen. The rest is mostly Nitrogen (78%) and Argon (1%). Carbon Dioxide at 300ppm is the next largest with other gases at trace amounts
What percent of the outdoor air is oxygen?
21 percent
What in the air that has 20 percent?
oxygen
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
What is the amount of oxygen in the atmosphere?
Air is 20.5 percent oxygen.
What percentage of dry air is made up of carbon dioxide?
its air dry made up of oxygen...
