MadSci Network: Earth Sciences
Query:

Subject: Does the ratio of gases in the air vary?

Date: Tue Feb 10 12:17:51 1998
Posted by Dan Borchelt
Grade level: other
School: No school entered.
City: Cambridge State/Province: MA
Country: USA
Area of science: Earth Sciences
ID: 887134671.Es
Message:

Is the ratio of nitrogen to oxygen in the air different is different parts of 
the world?  I know that there was a time when there was a greater percentage of 
oxygen in the air.  Are there any significant measurable or measured trends in 
the changes of air's composition?




Re: Does the ratio of gases in the air vary?

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