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Each SI unit is used to express a specific physical quantity. For example, the meter (m) is used for measuring length, the kilogram (kg) for mass, and the second (s) for time. Other units include the ampere (A) for electric current, the kelvin (K) for temperature, and the mole (mol) for the amount of substance. Additionally, the candela (cd) is used for luminous intensity.

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1d ago

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