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http://askearth.com/go/intro?t=4428&a=chemistry&c=7

this site can answer your questions about anything
you want to know about chemistry
I've read some questions that the visitor wrote
and I found that they didn't get their answers

I don't know why
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

check it and am really sooooooo sooooorry

am still searching
!!!!!!!!!!!!!!!!!!!

and thanx