41.
What is the name of the largest underwater mountain range, which stretches across the Atlantic Ocean floor?
Explanation:
42.
The Amazon River basin primarily lies in which continent?
Explanation:
43.
Which river flows through the Grand Canyon in the United States?
Explanation:
44.
What is the world's smallest ocean by area?
Explanation:
45.
The Gulf of California, also known as the Sea of Cortez, separates which two landmasses?
Explanation:
46.
The Yellow River, known as "Huang He" in Chinese, flows through which country?
Explanation:
47.
The Great Salt Lake, the largest saltwater lake in the Western Hemisphere, is located in which U.S. state?
Explanation:
48.
The Mackenzie River is the longest river in which North American country?