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27 January, 16:28

Diamonds are the hardest substance on earth fact or opinion

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Answers (2)
  1. 27 January, 17:01
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    It is an fact. They are really hard to break.
  2. 27 January, 18:18
    0
    As far as we know, this is true. Though they are very hard, like most network solids, they are also brittle if hit the correct way.
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