1. Which U.S. state is the Grand Canyon located in?

2. What is the capital city of Russia?

3. Which island country lies southeast of India?

4. What mountain range separates Europe and Asia?

5. What is the capital city of France?

6. What significant paleontological discovery was first made in the Gobi Desert in the 1920s?

7. Which of the following makes the Sargasso Sea unique compared to all other seas?

8. What is the primary criteria used by geographers to classify Antarctica as a desert?

9. The Danube River passes through how many capital cities?

10. Which phenomenon provides the primary source of water for plants and animals in the Namib Desert?

11. What was the name of the prehistoric land bridge that once connected Asia and North America across the Bering Sea?

12. What term describes the Baltic Sea's unique mixture of fresh and salt water?

13. The Saguaro cactus, a symbol of the American West, is native only to which desert?

14. Which small country is located entirely within the Pyrenees mountain range?

15. The Mediterranean Ridge is formed by the interaction of which two tectonic plates?

16. The Great Salt Lake is a remnant of which much larger prehistoric lake?

17. Which famous 'floating city' is located at the northern tip of the Adriatic Sea?

18. The Mekong Delta, a major rice-producing region, is located in which country?

19. The Ethiopian Highlands are the primary source of which major river's water?

20. In which body of water does the Niger River terminate?