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2 answers

???
I have *no* idea what you're trying to ask.


Doug

2007-02-24 17:35:58 · answer #1 · answered by doug_donaghue 7 · 0 1

Because we assume this when doing math. Not so when it's physics of chemistry.

2007-02-26 06:44:13 · answer #2 · answered by Anonymous · 0 0

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