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How much oxygen have you got in the air?
The Earth's atmosphere is composed of roughly 21% oxygen. This level of oxygen in the air is ideal for human respiratory needs.
How much of the air you breathe out is oxygen?
Around 16% of the air you breathe out is oxygen. This percentage decreases from the 21% of oxygen in the air you inhale due to the exchange of gases that occurs during respiration.
How much oxygen is present in air?
21% Oxygen, 78% Nitrogen, 1% other gasses in out atmosphere.
Why air and oxygen are not the same thing?
There are a numerous ways through which oxygen can be separated from air. One way is through the usage of fractional distillation of air. This is done by lowering the temperature of air while increasing the pressure. When water vapour and liquid air have cooled off, they are extracted as liquids and then the remaining air is cooled further until a temperature of 90K where the liquid oxygen coos off and is collected and stored in an insulated container.
How much of the air is nitrogen?
The air is made up, mostly, of oxygen and nitrogen.. Air is 78 % nitrogen, 21 % oxygen, about 1 % argon, and a whole raft of other gases present in even smaller amounts..
How much oxygen it there in the worlds air?
Air is approximately 20% Oxygen.
Do squid use oxygen and air?
Oxygen - yes. Air - no. Not much of that around underwater.
How much oxygen have you got in the air?
The Earth's atmosphere is composed of roughly 21% oxygen. This level of oxygen in the air is ideal for human respiratory needs.
How much oxygen in room?
About 20% of the volume of the air in the room is oxygen.
How much of the air you breathe out is oxygen?
Around 16% of the air you breathe out is oxygen. This percentage decreases from the 21% of oxygen in the air you inhale due to the exchange of gases that occurs during respiration.
How much oxygen does exhaled air contains approximately?
A small percent . exhaled air always contains oxygen .
How much air is the the oxygen is in the morning?
Concentration of oxygen in dry air is 20,946 %.
How much oxygen is there in the air?
ideally 21% (20.95%)
What is in air that you need so much?
Oxygen, of course.
What is the major advantage of air?
The concentration of oxygen in the air is much much higher than in the water. This make obtaining oxygen much easier and strenuous activity (to a level higher than that is water) possible.
What are the uses of Oxygen and Nitrogen in air?
Oxygen keeps animals alive, Nitrogen is not much use.
How much oxygen is in the air in 1973?
In 1973, the composition of Earth's atmosphere was roughly the same as it is today, with oxygen making up about 21% of the air.
