Eurasia
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For other uses, see Eurasia (disambiguation).
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Eurasia, with North Africa and the Horn of Africa visible
Image:Earth Eastern Hemisphere.jpg
African-Eurasian aspect of Earth
Eurasia is a large landmass covering roughly 53,990,000 km² which is 10.6 percent of the surface of the Earth. Often considered a single continent, Eurasia comprises the geo-political areas of Europe and Asia, concepts which date back to classical antiquity with somewhat arbitrary borders. Eurasia, in turn, is part of the yet larger landmass of Afro-Eurasia, as Eurasia is joined to Africa at the Isthmus of Suez. Eurasia has over 4.6 billion people, more than 69% of the world's human population.
History and cultureJared Diamond, in his book Guns, Germs and Steel, credits Eurasia's dominance in world history to the east-west extent of Eurasia and its climate zones, and the availability of Eurasian animals and plants suitable for domestication. He includes North Africa in his definition of Eurasia. The Silk Road symbolizes trade and cultural exchange linking Eurasian cultures through history and has been an increasingly popular topic. Over recent decades the idea of a greater Eurasian history has developed with the aim of investigating the genetic, cultural and linguistic relationships between European and Asian cultures of antiquity. These had long been considered distinct. GeologyEurasia formed 325 to 375 million years ago. It formed when Siberia (once an independent continent), Kazakhstania, and Baltica (which was joined to Laurentia (now North America) to form Euramerica) joined. Chinese cratons collided with Siberia's southern coast. Use of termIn modern usage, the term Eurasian may also refer to a person of both European and Asian parentage, especially in new world countries such as the United States and Australia.[citation needed] Located primarily in the eastern and northern hemispheres, Eurasia is considered a supercontinent, part of the supercontinent of Afro-Eurasia or simply a continent in its own right. In plate tectonics, the Eurasian Plate includes Europe and most of Asia but not the Indian subcontinent, the Arabian Peninsula or the area of the Russian Far East east of the Chersky Range. Eurasia is also sometimes used in geopolitics as a neutral way to refer to organizations of or affairs concerning the post-Soviet states, in particular Russia, the Central Asian republics, and the Transcaucasian republics. Europeans originally believed Europe and Asia to be separate continents, but later placed the dividing line placed along the Aegean Sea, Dardanelles, Sea of Marmara, Bosporus, Black Sea, Caucasus Mountains, Caspian Sea, Ural River, and Ural Mountains, and this terminology has spread to the rest of the world, even though Asia contains multiple regions and cultures as large and populous as Europe, and as different and geographically separated from each other as they are from Europe. From a modern perspective in scientific circles people generally prefer to subsume Europe and Asia into Eurasia.[citation needed] The term has also been used in association with various companies with exposure in the eurasian region. One such popular organization is Euro Asian Pharma which operates in the pharmaceutical industry of Sri Lanka. Use in fictionEurasia is a fictional country, state or supranational entity appearing in several works of fantasy, literature and science fiction, including books, movies, television series and video games:
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