Question 15
RocksWhich of the following rock types is coal associated with?
- A.Mechanically-formed sedimentary rocks
- B.Hard crystalline rocks
- C.Organically-formed sedimentary rocks
- D.Pultonic igneous rocks
- E.Volcanic igneous rocks
Show the answer and explanation
Answer: C (Organically-formed sedimentary rocks)
Explanation
Coal forms from compressed plant remains, an organic sedimentary rock.