which sedimentary rock is burned to produce energy?\no coal\no iron ore\no rock salt\no limestone

which sedimentary rock is burned to produce energy?\no coal\no iron ore\no rock salt\no limestone
Answer
Brief Explanations:
Coal is a sedimentary rock used as a fuel source for energy - production. Iron ore is used for making iron and steel, rock salt is for food - seasoning and industrial uses, and limestone is used in construction and cement - making.
Answer:
A. coal