What Is the Most Common Gas in the Air We Breathe?

Answer

The most common gas in the air that we breathe nitrogen which constitutes about 78% of earth's atmosphere. Other gases in the air include oxygen, carbon dioxide, helium, neon, water vapour and other gases which occur in very small amounts. Nitrogen was first discovered by Daniel Rutherford, a Scottish scientist, in 1772.
Q&A Related to "What Is the Most Common Gas in the Air We Breathe"
This gas is argon - 0,9340 %
http://wiki.answers.com/Q/What_is_the_third_most_c...
warren are you retarded nitrogen is the most common gas in the air, making up about 78% of the air we breathe. The second most common is oxygen, about 20% The next is Carbon Dioxide
http://answers.yahoo.com/question/index?qid=201303...
Nitrogen is the most common gas we breath, as Earth's atmosphere contains roughly 78% nitrogen and perhaps surprisingly only 21% oxygen.
http://www.kgbanswers.co.uk/what-is-the-most-commo...
It's nitrogen. But hey, dont feel bad if you thought it was actually oxygen. I did too! and if not for your question, I wouldnt have found out! = So Nitrogen is the most abundant
http://answers.yahoo.com/question/index?qid=200903...
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