Which of the following is not a Metamorphic rock?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Limestone.
1. Limestone is a sedimentary rock.
2. It is formed by layers of small pieces of rock and stones pressed hard together.
3. Metamorphic rocks are formed from other rocks that are changed because of heat or pressure. Ex: quartzite and marble.