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Geography, 01.02.2020 15:43 cathyjuan

Mineral x is scratched by a diamond. mineral x

a. has a mohs hardness of 10
b. can't be scratched by a penny
c. is softer than a diamond
d. must be a precious metal

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Mineral x is scratched by a diamond. mineral x

a. has a mohs hardness of 10
b. ca...
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