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May 22, 2015

Homework Help: Science (7th Grade)

Posted by Alexis on Tuesday, November 3, 2009 at 8:07pm.

My science teacher is really mean. And if I don't have the following questions done, I have a suspention! Please help!!

1) What discovery demonstrated that atoms are not the smallest particles?

2) Dalton did what to his theory that Democritus did not?

3) It is important for Thomson to repeat his experiment because why?

PLEASE HELP!!


---Your friend,
Alexis Swisher.

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