• anonymous
The __________ is an updated version of the metric system. A. International System of Units B. Celsius scale C. theory of evolution Please help, and thank you. xoxoxo
  • Stacey Warren - Expert
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  • schrodinger
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  • Xishem
Well, the only one that makes any sort of remote sense is A, International System of Units
  • anonymous
A. "The metric system" is a loose phrase generally referring to the system of units inaugurated by the revolutionary French government at the turn of the 19th century, which includes the meter (defined as 1/10,000,000 of the distance from the North Pole to the Equator, along a line passing through Paris) and the kilogram. Remarkably, they even redefined the calendar so days came in multiples of 10, months were exactly the same length, and so on. The date reforms, at least, did not survive the revolutionary government. The SI (System Internationale) is a version of "the metric system" which is codified by international treaty. It includes all the old units - kg, m -- as well as a host of units defined during the explosion of mathematical physics in the 18th and 19th centuries, such as the pascal, newton, volt, ampere, and coulomb. It even includes, technically, all the traditional units, such as inches, feet, pounds avoirdupois, and miles, because these are all now defined in terms of the SI base units, which are themselves defined in terms of physical objects or phenomena. Interestingly, there is at least one case of a traditional metric unit (the liter) which is NOT an official SI unit. (The official SI unit of volume is the cubic meter.)

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