nsnsj2262 nsnsj2262
  • 05-10-2018
  • Biology
contestada

F a material has a hardness of 8, it cannot be scratched by a material with a hardness of 7. True false

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rf9661 rf9661
  • 05-10-2018
True.

Same concept as nothing can scratch a diamond (hardness of 10) but a diamond can scratch anything.
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