What is the best of the eighteen worlds in geography?

1. The largest island group in the world: The largest island group in the world consists of more than 13, islands in Indonesia and about 7, islands in the Philippines, and is called the Malay Archipelago. The archipelago is located between the Pacific Ocean and the Indian Ocean, extending 6,1 kilometers along the equator, with a maximum width of 3,5 kilometers from north to south and a total area of about 2.43 million square kilometers.

2. The thickest place in the world: Mount Chimborazo in Ecuador, South America. It is 6384.1 kilometers from the center of the earth to the peak of the mountain. Qin Boraso Peak is located in the western cordilleras of the Andes, with an altitude of 6,31 meters, which is the highest peak in Ecuador. It has long been mistaken for the highest peak in the Andes. It is a dormant volcano with many glaciers on the top, about 4694 meters.

3. The highest plateau in the world: The Qinghai-Tibet Plateau is the largest plateau in China and the highest plateau in the world, so it is called the "roof of the world". The Qinghai-Tibet Plateau covers an area of 2.4 million square kilometers, most of which are above 3,5 meters above sea level, including all of Tibet and Qinghai, western Sichuan, southern Xinjiang and parts of Gansu and Yunnan.

4. The largest desert in the world: Most of the North African Plateau is called Sahara Desert, but the real sandy land only accounts for one fifth of the total area. Outside the desert, there are gravel desert and stone desert. These three landforms are distributed in a mosaic pattern. The Sahara desert covers almost the whole of North Africa, bordering the Atlantic Ocean in the west, the Atlas Mountains and the Mediterranean Sea in the north, the Red Sea in the east and the Sahel

5 in the south. The largest ocean in the world: the Pacific Ocean starts from the Antarctic region in the south, reaches the Arctic in the north, reaches Asia and Australia in the west, and borders South and North America in the east. It accounts for about one third of the earth's area and is the largest ocean in the world. Its area, excluding the adjacent sea, is about 165.25 million square kilometers. It is twice the area of the Atlantic Ocean, the second largest ocean, and more than twice the water capacity

6. The largest waterfall in the world: Angel Waterfall, also known as Chulun Meru Waterfall. Located in Guiana Plateau, Bolivarian State of Venezuela, on the Chulun River, a tributary of the Karoni River. The waterfall has a drop of 979 meters and a bottom width of 15 meters. The waterfall falls straight down from Oyantep Yi Shan in the flat-topped plateau, hardly touching the steep cliff

7. The world's widest waterfall, Iguazu Waterfall, is located 23 kilometers upstream of the confluence of Iguazu River and parana river on the Argentine-Brazilian border. The waterfall is horseshoe-shaped, 82 meters high and 4 kilometers wide, which is four times the width of Niagara Falls in North America and even wider than Victoria Falls in Africa.

8. The river with the largest drainage area in the world: the Amazon River is the largest drainage area in the world, and the Amazon Plain, through which the Amazon River flows, is the largest plain in the world. Amazon River is the largest river with the largest flow and the widest drainage area in the world. Its length is second only to the Nile (about 64 kilometers), making it the second largest river in the world.

9. The largest coral reef in the world: Coral Sea is located in the southwest Pacific Ocean, east of Australia and New Guinea, west of New Caledonia and New Hebrides, and south of Solomon Islands. It is about 2,25 kilometers long from north to south and 41 kilometers wide from east to west, covering an area of 4,791, square kilometers.

1. The sea with the highest water temperature in the world: between northeast Africa and Arabian Peninsula, is long and narrow, with a length of over 1,9 kilometers from northwest to southeast, a maximum width of 36 kilometers and an area of 45, square kilometers. The northern end of the Red Sea divides into two small bays, with Suez Bay in the west, and is connected with the Mediterranean Sea through the Suez Canal which runs through the Suez Isthmus. East is the Gulf of Aqaba.

11. The lightest sea in the world: the Baltic Sea is an inland sea where the Atlantic Ocean extends into the northern part of the European continent. It is northeast-southwest. It covers an area of over 42, square kilometers. Generally, the water depth is 4 to 1 meters, and the deepest point is 47 meters. Generally, the salinity of seawater is about 34% to 37%

12. The world's largest freshwater lake: Lake Superior, the northwest and largest of the five great lakes in North America, is the largest freshwater lake in the world. Canada is in the northeast of the lake, and the United States is in the southwest. The lake is 616 kilometers long from east to west, 257 kilometers wide from north to south, with an average elevation of 18 meters, a water area of 82,13 square kilometers and a maximum depth of 45 meters.

13. The highest mountain in the world: Mount Everest is the main peak of the Himalayas and the highest mountain in the world, with an altitude of 8848.13 meters. Located in the middle of the Himalayas at the junction of Tibet and Nepal. 27 59' 15.85 "north latitude and 86 55' 39.51" north latitude. The mountain is mainly composed of crystalline rock series.

14. The highest mountain of life and death in the world: The highest extinct volcano in the world is Aconcagua Mountain, which is located in Argentina with an altitude of 6,959 meters and is recognized as the highest peak in the western hemisphere. The peak is located in the northern part of the Andes, and the peak is in the mendoza province in the northwest of Argentina, but its west wing extends to the coastal lowland north of Santiago, Chile.

15. The area with the most annual rainfall in the world: Hawaii is a group of volcanic islands in the central Pacific Ocean and a state in the United States. It consists of 8 large islands and 124 small islands. Hawaii is the transportation and cultural center of the Pacific Ocean, known as the "crossroads of the Pacific Ocean", and it is also an important tourist destination

16. The windiest area in the world: Antarctica is not only the coldest place in the world, but also the windiest area in the world. On average, there are 3 days of strong winds of magnitude 8 or above every year, with an average annual wind speed of 19.4 m/s. In 1972, the maximum wind speed observed at Mosen Station in Australia was 82 m/s

17. The Cape of Good Hope, the largest storm area in the world, is a guide to the rocky promontory at the southern tip of Cape Peninsula in southwestern Cape Town. The Cape of Good Hope is stormy and the waves are rough, and it is located at the confluence of the warm Agules current in Mozambique from the Indian Ocean and the cold Benguela current from Antarctic waters. In 1939, it became a nature reserve.

18. Lowest point on the earth's surface: The lowest point on the earth's surface is the Dead Sea. The average water level there is about 4 meters below sea level. The Dead Sea is an inland salt lake located in the Jordan Valley between Israel and Jordan. The west bank is a Jewish mountain, and the east bank is the Outer Jordan Plateau. The Jordan River flows from the north.

19. The longest mountain range in the world: The Andes in Xiongdi Seven Countries is about 9, kilometers long, almost three and a half times as long as the Himalayas. It is magnificent and colorful, and it is one of the most spectacular natural landscapes in the world. The Andes belong to the Cordillera mountain system, which extends from North America to South America, with a total length of 18, kilometers. It is the longest mountain system in the world

2 and the largest basin in the world. Congo basin is located in central Africa, most of which are in the Democratic Republic of Congo, and a few are in the Democratic Republic of Congo. With an area of 3.37 million square kilometers, it is the largest basin in the world. The north and south of the basin are plateaus, the east is the Great Rift Valley, and the gap is in the lower reaches of the Congo River and the estuary in the west.

21, the country with the longest coastline: Australia has the longest coastline with a total length of 36,735 kilometers.

22. The deepest depth of the ocean: Mariana Trench is located in the east of Mariana Islands in the western part of the North Pacific Ocean. It is an arc depression on the ocean floor, extending for 2,55 kilometers with an average width of 69 kilometers. There is a small steep valley at the bottom of the main trench. In 1957, the Soviet survey ship measured the depth of 199 meters, and then there was a new record of 1134 meters.

23. The longest river in the world: the Nile runs through the northeast of the African continent, flows through Burundi, Rwanda, Tanzania, Uganda, Ethiopia, Sudan and Egypt, crosses the largest Sahara desert in the world, and finally empties into the Mediterranean Sea. The basin covers an area of about 3.35 million square kilometers, accounting for one-ninth of the African continent, with a total length of 6,65 kilometers.

24. The world's largest delta: The Ganges Delta, which is 32 kilometers wide, starts 5 kilometers from the sea and covers an area of over 7, square kilometers, belongs to Bangladesh and India. The lower reaches of the Ganges River are divided vertically and horizontally, and there are eight main waterways, which merge with the Brahmaputra River at the entrance to the Bay of Bengal, forming a vast Ganges Delta

25, the world's largest inland lake: Caspian Sea is the world's largest inland lake, located in the vast and flat western part of Central Asia and the southeast end of Europe, with the Caucasus Mountains in the west. The whole sea area is long and narrow, with a length of about 12 kilometers from north to south and an average width of 32 kilometers from east to west. It covers an area of about 386,4 square kilometers, which is more than twice as large as the five largest freshwater lakes in North America combined.