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Metric System: The metric system is an internationally agreed decimal system of measurement created in France in 1799. The International System of Units (SI), the official system of measurement in almost every country in the world, is based upon the metric system.
Measurement Units The SI (Systeme SystÃ¨me international'D) unites unitÃ©s is a globally agreed system, of units with seven. Base units formally agreed by The 11th general Conference on Weights (AND) measures cgpm, in 1960 the si is at the centre of all modern science. and technology