Question 30
RocksWhich of the following pairs are characteristics of igneous rocks? They I. are stratified II. are metamorphosed rocks III. are crystalline IV. originate from molten magma
- A.I and II only
- B.II and III only
- C.II and IV only
- D.III and IV only
Show the answer and explanation
Answer: D (III and IV only)
Explanation
Igneous rocks form when magma cools, so they are crystalline; stratification belongs to sedimentary rocks.