1. Which is the largest hot desert in the world?
2. Which is the highest mountain in the world?
3. Which is the longest river in the world?
4. Which is the most intense tropical cyclone ever recorded?
5. Which is the largest tropical rainforest in the world?
6. Which is the largest national park in the world?
Wrangell - St. Elias
7. Where is the river ganges located?
8. Which is the largest island in the world?
9. Which is the longest continental mountain range in the world?
10. What is the percentage of fresh water on earth?