Why is there more Nitrogen gas present in the air than Oxygen?

Subject: Why is there more Nitrogen gas present in the air than Oxygen?

Date: Tue Aug 17 06:21:45 1999
Posted by Shilin
Grade level: undergrad School: Nass
City: Singapore State/Province: Singapore Country: Singapore
Area of science: Earth Sciences
ID: 934885305.Es

Message:


Shouldn't there be more oxygen as it is the gas humans need to survive?
Why must it be Nitrogen, not other gas, such as noble gases as the are less 
often used by humans?

Re: Why is there more Nitrogen gas present in the air than Oxygen?

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