ishan21
ishan21 ishan21
  • 02-10-2016
  • Physics
contestada

WHICH IS THE HARDEST SUBSTANCE IN EARTH?

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hannahpace42
hannahpace42 hannahpace42
  • 02-10-2016
Diamond is the hardest naturally occurring substance found on Earth. 
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misasoup
misasoup misasoup
  • 02-10-2016
Diamond is the hardest substance in Earth.
Answer Link

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