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Old 09-27-2009, 02:09 PM   #27
duder4thgen
 
Drives: Bird
Join Date: Nov 2008
Location: USA
Posts: 266
Because Nitrogen and Oxygen have respective boiling points of -320 F and -297 F at 14.7 PSIA. Otherwise we'd all be cold and swimming.

And Gravity could be a partial answer too.
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