Test your knowledge of Asia's physical geography - Mountain ranges, rivers, deserts, seas, and the natural landmarks of the world's largest continent.
Asia is the world's largest continent, covering about 44.6 million square kilometers (nearly one-third of Earth's total land area) and home to over 4.7 billion people - More than 60% of the global population. Its physical geography is extraordinarily diverse, ranging from the world's highest mountain peaks (the Himalayas) to the world's lowest point on land (the Dead Sea), from Arctic tundra to tropical rainforests, from vast deserts to the world's longest river systems.
The Himalayan mountain range, formed by the collision of the Indian and Eurasian tectonic plates, contains the world's ten highest peaks, including Mount Everest (8,849 m) on the border of Nepal and China. The Tibetan Plateau, known as "the Roof of the World," averages over 4,500 meters in elevation. Major river systems include the Yangtze and Yellow Rivers (China), the Ganges and Indus (South Asia), the Mekong (Southeast Asia), and the Ob, Yenisei, and Lena rivers of Siberia. Understanding continental geography at the physical scale helps explain climate patterns, biodiversity, and human settlement.
The Gobi Desert spans northern China and southern Mongolia and is the world's fourth-largest desert. Lake Baikal in Siberia is the world's deepest lake (1,642 m) and holds about 20% of the world's unfrozen surface fresh water. The Arabian Peninsula contains the world's largest sand desert, the Rub' al Khali (Empty Quarter). The Dead Sea, on the border of Israel and Jordan, is Earth's lowest point on land at 430 meters below sea level. Geographic extremes like Asia's highest and lowest points on land make it the most physically dramatic of all continents.
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