Rocks and Mountains :

1. In which type of rocks are coal and petroleum found?

Ans. Sedimentary

2. Molten rock the surface of the earth is called?

Ans. Magam

3. The soil material is mainly derived from………….

Ans. Sedimentary rocks

4. Moon shaped sand-dunes, formed by wind action are called …………….

Ans. Barkhans

5. Earthquakes rarely occur in …………….

Ans. Brazil