Seudónimo Seudónimo
  • 19-04-2017
  • Physics
contestada

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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