Respuesta :
The one that can be considered as a main benefit of having an international system of units is standards are based on observable, reproducible natural phenomena.
The International System of Units (SI), the most frequently used system of measurement in the world, is the current version of the metric system. It is abbreviated SI in all languages and is sometimes used pleonastically.
The current method of defining the SI is the outcome of a decades-long shift towards an increasingly idealised and abstract formulation, in which the conceptual separation between the definitions and the actualizations of the units is maintained.
As science and technology advance, new and better realisations may be introduced without the need to redefine the unit, which is one result.
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