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| The most important thing for you to remember is that in a physical change the composition of a substance does not change and in a chemical change the composition of a substance does change. | |
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| OOOOH! thank you! you've helped me learn sooo much, but umm now i wanna know something else... | |
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| What is it? i gotta go to work... | |
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| What's your phone number? | |
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| What? the question is legit!! | |
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