Tystar123 Tystar123

28-10-2016
Biology

contestada

A penny can scratch an unknown mineral. The mineral _____.
-must be talc
-is softer than a diamond
-is harder than a diamond
-has perfect cleavage

Respuesta :

28-10-2016

Must be talc because it is one of the softest minerals

Answer Link

BAJA111 BAJA111

15-12-2018

Actually, the correct answer is softer than a diamond.

Have a great day

(:

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