Multiple choice

Which is NOT an example of a rock?

  1. Sedimentary

  2. Metamorphic

  3. Igneous

  4. Mineral

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sedimentary, metamorphic, and igneous are the three main types of rocks. A mineral is a naturally occurring, inorganic solid with a definite chemical composition and crystalline structure, which serves as a building block of rocks rather than being a rock type itself.