Limestone is an example of
A
Igneous rocks
B
Sedimentary rocks
C
Metamorphic rocks
D
Crystalline rocks
Correct Answer: Sedimentary rocks
Limestone is an example of Sedimentary rocks. Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3).