C. Classify the names of the rocks given below into igneous, sedimentary and metamorphic.
1. Sandstone
2. Marble
3. Limestone
IGNEOUS
4. Granite
5. Slate
6. Dolerite
7. Basalt
8. Quartzite
9. Coal
SEDIMENTARY
10. Shale
11. Gneiss
12. Pumice
METAMORPHIC