1. Which country is home to the world's longest river, the Nile?
2. Which of the following countries is not located in the Middle East?
3. Which country is home to the world's largest salt flat, Salar de Uyuni?
4. What is the capital city of Mauritania?
5. Which of the following countries is known as the "Land of the Rising Sun"?
6. Which of the following countries is home to the Great Barrier Reef?
7. Which of the following countries is home to the ancient city of Petra?
8. Which of the following countries is located in both Europe and Asia?
9. Which country is home to the tallest building in the world, the Burj Khalifa?
10. Which of the following countries is known for the tulip fields in Keukenhof?