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Hace 1 día · Asia is the largest continent on Earth. It covers 9% of the Earth's total surface area (or 30% of its land area), and has the longest coastline, at 62,800 kilometres (39,022 mi). Asia is generally defined as comprising the eastern four-fifths of Eurasia.
Hace 5 días · Antennas. Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in ...
Hace 1 día · Internal unrest and Majorian. The Western Roman Empire during the reign of Majorian in AD 460. During his four-year-long reign from 457 to 461, Majorian restored Western Roman authority in Hispania and most of Gaul. Despite his accomplishments, Roman rule in the west would last less than two more decades.
Hace 4 días · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Hace 3 días · The Seljuk Empire, or the Great Seljuk Empire, [13] [a] was a high medieval, culturally Turco-Persian, Sunni Muslim empire, established and ruled by the Qïnïq branch of Oghuz Turks. [16] [17] The empire spanned a total area of 3.9 million square kilometres (1.5 million square miles) from Anatolia and the Levant in the west to the Hindu Kush ...
Hace 3 días · Impulsadas por una combinación de factores económicos, sociales y políticos, estas revoluciones se extendieron por Francia, Italia, los estados alemanes y el Imperio austriaco. En Francia, la revolución de febrero de 1848 llevó a la abdicación de Luis Felipe de Orleans y a la proclamación de la Segunda República.
Hace 2 días · 2.36 billion / 33% (2015) [2] Anemia or anaemia ( British English) is a blood disorder in which the blood has a reduced ability to carry oxygen. This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function.
