- #1
PPonte
What is the meaning of this delta?
I think it may be the "agent" that provokes the reaction, but what is it?
http://img451.imageshack.us/img451/8867/delta7ty.jpg
I think it may be the "agent" that provokes the reaction, but what is it?
http://img451.imageshack.us/img451/8867/delta7ty.jpg
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