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what are the basic units of measurement in the metric system
There is only one unit of measurement for each type of quantity measured. The three most common base units in the metric system are the meter, gram, and liter.
How did the basic units of measurement in the metric system come about
In 1790, the French National Assembly commissioned the Academy of Science to design a simple decimal-based system of units; the system they devised is known as the metric system.

Question: Does the U.S. use the system
Self-contained rewrite: Does the U.S. use the the metric system devised by the Academy of science