Answers

2016-05-04T09:41:06+05:30
SI unit is the international system of units.it is used to express the values of quantities.The SI system, also called the metric system, is used around the world. There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).
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