ayeitsmaria16
ayeitsmaria16 ayeitsmaria16
  • 22-02-2017
  • Biology
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why are chemical changes considered "unseen" ?

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S9infinite
S9infinite S9infinite
  • 22-02-2017
Because they take place at an atomic level and are unable to be seen by the human eye
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ZachariaH050305 ZachariaH050305
  • 22-02-2017
They are unseen because it is physically impossible to see a chemical change with a human eye.
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