captaincleanfreak captaincleanfreak

19-03-2017
Chemistry

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When changes in matter occur energy is either or ___.

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vixvickyvic vixvickyvic

19-03-2017

Energy is Preserved or used?

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lionel09 lionel09

19-03-2017

When changes in matter occur energy is either ________loss________ or ________gain___________.

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