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Home/The hardest substance available on earth is?
On: Posted in Uncategorized Comments: 2 Views: 69

The hardest substance available on earth is?

2 Comments

  1. Khyati

    Khyati

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    Khyati
    2013-03-08T08:07:27+05:30Added a comment on March 8, 2013 at 8:07 am

    Diamond is the hardest substance available on earth.

  2. Anusha

    Anusha

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    Anusha
    2013-03-08T09:12:05+05:30Added a comment on March 8, 2013 at 9:12 am

    Platinum is the hardest substance available on earth.
    Diamond is at number 3 now.

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