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13 de jun. de 2024 · The ocean is the body of salt water that covers approx. 70.8% of Earth. In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic. The ocean contains 97% of Earth's water and is the primary component of ...
Hace 3 días · 0.032% ( world) Multiple sclerosis ( MS) is an autoimmune disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged. [3] This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems.
Hace 3 días · Asia–Africa boundary. The boundary between Asia and Africa is the Suez Canal, the Gulf of Suez, the Red Sea, and the Bab-el-Mandeb. This makes Egypt a transcontinental country, with the Sinai peninsula in Asia and the remainder of the country in Africa.. Asia–Europe boundary Definitions used for the boundary between Asia and Europe in different periods of history.
Hace 3 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 1 día · The English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. The German term Deutschland, originally diutisciu land ('the German lands') is derived from deutsch (cf. Dutch), descended from Old High German diutisc 'of the people' (from diot or diota 'people'), originally used to distinguish the language of the ...
Hace 2 días · A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century in Europe.
Hace 4 días · Etymology. The word plastic derives from the Greek πλαστικός (plastikos) meaning "capable of being shaped or molded," and in turn from πλαστός (plastos) meaning "molded." As a noun the word most commonly refers to the solid products of petrochemical-derived manufacturing.. The noun plasticity refers specifically here to the deformability of the materials used in the manufacture ...
