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Minerals and Rocks

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Multiple Choice

What is a mineral?

  1. A naturally occurring, solid, inorganic substance with a definite chemical composition and a crystalline structure.
  2. A naturally occurring, solid, organic substance with a definite chemical composition and a crystalline structure.
  3. A naturally occurring, solid, inorganic substance with an indefinite chemical composition and a crystalline structure.
  4. A naturally occurring, solid, organic substance with an indefinite chemical composition and a crystalline structure.
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