Question

Rocks and Mineral Properties Quick Check
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Question
Two unknown mineral samples, A and B, are rubbed against each other. Mineral A scratches mineral B. What can you infer about the minerals?(1 point)
Responses

Mineral A is harder than mineral B.
Mineral A is harder than mineral B.

Mineral B is harder than mineral A.
Mineral B is harder than mineral A.

Mineral A is more dense than mineral B.
Mineral A is more dense than mineral B.

Mineral B is more dense than mineral A.
Mineral B is more dense than mineral A.
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Answer 1

The correct inference from the observation that mineral A scratches mineral B is:

**Mineral A is harder than mineral B.**

In mineralogy, the ability of one mineral to scratch another is a key indicator of its hardness, as described by Mohs hardness scale.