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The Columbian exchange, also known as the Columbian interchange, was the widespread transfer of plants, animals, precious metals, commodities, culture, human populations, technology, diseases, and ideas between the New World (the Americas) in the Western Hemisphere, and the Old World (Afro-Eurasia) in the Eastern Hemisphere, in the late 15th and following centuries.
Metabolism ( / məˈtæbəlɪzəm /, from Greek: μεταβολήmetabolē, "change") is the set of life -sustaining chemical reactions in organisms. The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids ...
Women's empowerment (or female empowerment) may be defined in several ways, including accepting women's viewpoints, making an effort to seek them and raising the status of women through education, awareness, literacy, and training. [1] [2] [3] Women's empowerment equips and allows women to make life-determining decisions through the different ...
Subtropics. The subtropical zones or subtropics are geographical and climate zones to the north and south of the tropics. Geographically part of the temperate zones of both hemispheres, they cover the middle latitudes from 23°26′10.0″ (or 23.43612°) to approximately 35° north and south. The horse latitudes lie within this range.
Narco-submarine. A narco-submarine (also called a drug sub or narco-sub) is a type of custom ocean-going, self-propelled, semi-submersible or fully- submersible vessel built by (or for) drug smugglers. [2] [3] [4] Newer semi-submersibles are "nearly-fully" submersible in order to reduce likelihood of detection by visual, radar, sonar, or ...
The leader–member exchange ( LMX) theory is a relationship-based approach to leadership that focuses on the two-way ( dyadic) relationship between leaders and followers. [1] The latest version (2016) of leader–member exchange theory of leadership development explains the growth of vertical dyadic workplace influence and team performance in ...
The Minoan eruption was a catastrophic volcanic eruption that devastated the Aegean island of Thera (also called Santorini) circa 1600 BCE. It destroyed the Minoan settlement at Akrotiri, as well as communities and agricultural areas on nearby islands and the coast of Crete with subsequent earthquakes and paleotsunamis.
The subcontrabass saxophone is the largest of the family of saxophones that Adolphe Sax described in his 1846 patent. He called it the saxophone bourdon, named after the very low-pitched 32′ bourdon pedal stop on large pipe organs. Although Sax planned to build one, the first playable instrument was only built in 2010.