express density in two systems and name the two system
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The International System of Units. is a scientific method of expressing the magnitudes or quantities of important natural phenomena. There are seven base units in the system, from which other units are derived. t is an mks system based on the metre, kilogram and second as well as the kelvin, ampere, candela, and mole. The SI includes twoclasses of units which are defined and agreed internationally.
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