0
What else can I help you with?
Which three gases make up over 99.9 percent of the air?
The three gases that make up over 99.9 percent of the air are nitrogen (about 78 percent), oxygen (about 21 percent), and argon (about 0.9 percent).
What percent of the outdoor air is oxygen?
20% Nitrgopen is 79% The remaining 1% is made up of Carbon dioxide, Methane, Water vapour, Sulphur dioxide, and collectively the Noble(inert) gases.
What property could separate the gases in air?
Air is made up of 80 percent nitrogen and 20 percent oxygen. The boiling points of these elements are different: oxygen's boiling point is minus 297 degrees Fahrenheit and nitrogen's is minus 320 degrees Fahrenheit
Can plants in a room improve air quality?
Yes, they can. They do produce oxygen and take up carbon dioxide.
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.
What makes up 21 percent of the air by volume?
Oxygen makes up 21 percent of the air by volume.
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)
Oxygen composes approximately what percent of the air we breathe?
Oxygen makes up about 21% of the air we breathe.
Which three gases make up over 99.9 percent of the air?
The three gases that make up over 99.9 percent of the air are nitrogen (about 78 percent), oxygen (about 21 percent), and argon (about 0.9 percent).
Makes up approximately 21 percent of the air?
oxygen
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
Which gas makes up approximately 20 percent of air?
Oxygen
Does oxygen make up 40 percent of the air?
No , it makes up 20.9% of air , almost 21%
How much oxygen in the air percentage?
Oxygen makes up about 21% of the Earth's atmosphere.
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.
What forms 20 percent of air?
Oxygen makes uo 20% of the air we breath.
