Seudónimo Seudónimo

30-09-2016
Chemistry

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type of change that doesn't involve the formation of new kind of matter

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kittyhawkmc kittyhawkmc

30-09-2016

A physical change, ie tearing a piece of paper in half.

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CaptainSnorlax CaptainSnorlax

30-09-2016

A physical change, it's like breaking your pencil

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