Topic content:
Through the efforts of many scientists, the theory of plate theory was finally formed in the 1960s and 1970s. The plate theory believed that the lithosphere was divided into six plates: the Eurasian plate, the Pacific plate, the ______, the American plate, the African plate and the Antarctic plate
Best answer:
According to the plate theory, the lithosphere is divided into six plates: the Eurasian plate, the Pacific plate, the Indian Ocean plate, the American plate, the African plate and the Antarctic plate
So the answer is: Indian Ocean Plate
Answer analysis:
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Test core:
Plate drift theory: a theory that explains the crustal movement and the distribution and evolution of land and sea. The large-scale horizontal movement between continents and between continents and ocean basins is called continental drift. According to the theory of continental drift, all continents on the earth were once unified huge landmasses before the Mesozoic era, called Pangaea or United Ancient Land. From the beginning of the Mesozoic era, Pangaea split and drifted, gradually reaching the current position. Land reclamation: Land reclamation refers to the transformation of the original sea area, lake area or river bank into land. For coastal cities with more mountains and less flat land, land reclamation is an effective way to create flat land for urban development. Many large coastal cities, such as Tokyo, Hong Kong, Macao and Shenzhen, use this method to make flat land. Volcanic seismic zone: There are two major seismic zones around the world: the Pacific Rim seismic zone and the Mediterranean Himalayan seismic zone. The former concentrates more than 80% of the shallow earthquakes (0-70km), almost all of the medium earthquakes (70-300km) and deep earthquakes (300-700km) in the world. It is distributed around the Pacific Ocean, starting from the southern end of South America, extending northward along the west coast to Alaska in North America, and turning westward through Aleutian Islands, Kamchatka Peninsula, Kuril Islands to Japan.