1. What are natural disaters?
2. How droughts are formed?
3. How earthquakes are formed?
4. What is Epidemic?
5. How floods are formed?
6. How forests fire are formed?
7. What are hurricanes?
8. What is Lahar?
9. How tornadoes are formed?
10. What is tsunami?
11. What is megatsunami?
12. How ice storms are formed?
13. What is Solar flare?
14. What is ice age?
15. How tsunamis are formed



http://en.wikipedia.org/wiki/Natural_disaster
by Pawe? Szczepaniak & Micha? Kalwasi?ski