Seudónimo Seudónimo

19-04-2017
Physics

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Is saliva breaking a down a piece of bread chemical or physical

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Аноним Аноним

19-04-2017

it's a chemical change since it cannot be reversed and the saliva releases a new substance

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codpeter24 codpeter24

19-04-2017

Chemical because saliva has a acid type substance in it

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