1. What was the main cause of latter Earthquakes?

2. How many divisions are there on Richter Scale?

3. Natural disasters are

4. The cause for floods in India is due to

5. Tsunamis are caused when

6. Which one of the following states receives floods in the winter?

7. The most disastrous giant waves are

8. The river valley project has been constructed to check floods in India is

9. What was the cause of the Koyna Earthquake?

10. Debris flow that originates on the slope of a volcano is known as