mariahknight267
mariahknight267 mariahknight267
  • 04-03-2017
  • Physics
contestada

all of the following require breaking informing chemical bonds except
lighting a campfire
breaking a rock
baking a potato
rotting fruit

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osprey2015
osprey2015 osprey2015
  • 04-03-2017
i think that the answer it's looking for is "breaking a rock" as a physical change, the rest being chemical changes. 
Mind you, were I to be picky, I'd try to argue that breaking a rock breaks whatever bond is holding the rock together. .... 
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