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KatRina [158]
3 years ago
12

A penny can scratch an unknown mineral. The mineral _____.

Biology
2 answers:
jarptica [38.1K]3 years ago
6 0
Must be talc because it is one of the softest minerals
kap26 [50]3 years ago
3 0

Actually, the correct answer is softer than a diamond.


Have a great day

(:

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