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Magnum opus (plural: magna opera, also opus magnum / opera magna), from the Latin meaning "great work", refers to the largest, and perhaps the best, greatest, most popular, or most renowned ...
Dbpediathing
An endangered species is a species of organisms that will likely become extinct. The phrase 'endangered species' colloquially refers to any species that fits this description whereas conservat ...
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The law of conservation of mass, or principle of mass conservation, states that for any system closed to all transfers of matter and energy (both of which have mass), the mass of the system must remai ...
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