The hardest known natural material is _____.

asked Mar 6, 2017 60.5k views

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4 votes

Answer:

Diamond is the hardest naturally occurring substance found on Earth.because its sharp and heavy + hard

Step-by-step explanation:

Hart answered Mar 7, 2017

by Hart

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4 votes

Diamond is the hardest naturally occurring substance found on Earth.

Gutelaunetyp answered Mar 13, 2017

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