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December 22, 2007
July 23, 2007
July 21, 2007
Reverted edits by Jazzman831 (Talk); changed back to last version by JoaquÃn MartÃnez
m-1
revert (in chemistry O is very different from O2)
+1
no edit summary
-1
i think this way is cleaner
+25
bold subject, clean up text, removed {{stub}}
-46