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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.
A multiple-vortex tornado outside Dallas, Texas, on April 2, 1957. A multiple-vortex tornado is a tornado that contains several vortices (called subvortices or suction vortices) revolving around, inside of, and as part of the main vortex. The only times multiple vortices may be visible are when the tornado is first forming or when condensation ...
Subadditivity. In mathematics, subadditivity is a property of a function that states, roughly, that evaluating the function for the sum of two elements of the domain always returns something less than or equal to the sum of the function's values at each element. There are numerous examples of subadditive functions in various areas of ...
Metabolism (/ m ə ˈ t æ b ə l ɪ z ə m /, from Greek: μεταβολή metabolē, "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, nucleic acids, and some carbohydrates; and the ...
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 ...
Turbo Sub. Turbo Sub is a first-person shoot 'em up released in arcades by Entertainment Sciences in 1985. [3] Aliens have attacked the planet and the player fights them beneath the ocean using a submersible ship. [4] Six years after the arcade original, Atari Corporation published a Lynx version, which adds a two-player mode.
Website. www .doi .org. A digital object identifier ( DOI) is a persistent identifier or handle used to uniquely identify various objects, standardized by the International Organization for Standardization (ISO). [1] DOIs are an implementation of the Handle System; [2] [3] they also fit within the URI system ( Uniform Resource Identifier ).
Eruption dating. The Minoan eruption is an important marker horizon for the Bronze Age chronology of the Eastern Mediterranean realm. It provides a fixed point for aligning the entire chronology of the second millennium BCE in the Aegean, as evidence of the eruption is found throughout the region.