BoothiamsBarreron BoothiamsBarreron

04-03-2016
Physics

contestada

The hardest known natural material is _____.
jade
quartz
diamond
talc

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dragonrushruler dragonrushruler

04-07-2017

Its diamond i am 100% right!

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lianaccv lianaccv

15-06-2018

The Natural material known to be the hardest is the Diamond.

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