Where was the metre–tonne–second system invented?
Correct answer: France
Paul Steadman
SI units are based on seven quantities which include MKS units (metres, kilograms, second s). The other units are ampere (current), kelvin (temperature), candela (luminous intensity) and mole (amount of substance).
ChewyGazelle68623
the U.S.A. will never switch to metric!! Too expensive!!