Mineral X is scratched by a diamond. Mineral X _____. -has a Mohs hardness of 10 -can't be scratched by a penny -is softer than a diamond -must be a precious metal

Mineral X is scratched by a diamond. Mineral X _____.

-has a Mohs hardness of 10
-can't be scratched by a penny
-is softer than a diamond
-must be a precious metal

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Mineral X is scratched by a diamond. Mineral X _____. -has a Mohs hardness of 10 -can't be scratched by a penny -is softer than a diamond -must be a precious metal

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