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Hace 3 días · iPad iPad Pro (6th generation) Developer Apple Manufacturer Foxconn (on contract) Pegatron Type Tablet computer Release date April 3, 2010 ; 14 years ago (April 3, 2010) (1st generation) Units sold 677.7 million as of 2022 Operating system iOS (2010–2019) iPadOS (2019–present) Connectivity WiFi, cellular, 30-pin dock connector, Lightning connector, USB-C, 3.5mm headphone jack, 3-pin "Smart ...
Hace 23 horas · Barcelona ( / ˌbɑːrsəˈloʊnə / ⓘ BAR-sə-LOH-nə, Catalan: [bəɾsəˈlonə] ⓘ, Spanish: [baɾθeˈlona] ⓘ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within city ...
Hace 1 día · Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms. For example, any atom that contains 11 protons is sodium ...
Hace 23 horas · Portugal, [e] officially the Portuguese Republic, [f] is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, its mainland west and south border with the North Atlantic Ocean and in ...
Hace 23 horas · Clockwise from top-left: Ancient warfare: Stele of the Vultures, c. 2500 BCE Medieval warfare: Battle of Hastings, 1066 Early modern warfare: Retreat from Moscow, 1812 Industrial age warfare: Battle of the Somme, 1916 Modern warfare: Normandy landings, 1944 Nuclear warfare: Nuclear weapon test, 1954 Part of a series on War History Prehistoric Ancient Post-classical Early modern Pike and shot ...
Hace 2 días · Frequency. 15% (50 year olds), 70% (over 80 year olds) [7] Osteoporosis is a systemic skeletal disorder characterized by low bone mass, micro-architectural deterioration of bone tissue leading to more porous bone, and consequent increase in fracture risk. It is the most common reason for a broken bone among the elderly. [3]
Hace 3 días · 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.
