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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 Apr 2007 00:19:37 IST
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Good but if you want to know the fundamental behind it. No one exactly knows. We know it just by observation
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Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
this reply: 5 points
(with 1 
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