15. The basic unit of mass in the metric system is the



Answer: D (Kilogram)

kil·o·gram () The basic unit of mass in the metric system, equal to 1,000 grams (2.2 pounds). See Table at measurement. See Note at weight.

metric system A decimal system of weights and measures based on the meter as a unit of length, the kilogram as a unit of mass, and the liter as a unit of volume. See Table at measurement.


Measurement Table


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