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What characteristic do scientists use to define four layers of earths atmosphere


   What characteristic do scientists use to define four layers of earths atmosphere


  kelsey2008
 2/5/09
 

 What characteristic do scientists use to define four layers of earths atmosphere

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  scbrow
 2/5/09
 

 Here's a good webpage which should answer your question:

http://csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html

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