Question

What is a standard unit? Mention two standard units of length.​

Answer 1

Answer:

The second meaning of standard unit refers to a unit of particular set of units of measurement called the standard system (versus the metric system). The standard system includes the standard units of the foot, the pound (mass), and the gallon. ... United States customary units, used predominantly in the United States.

examples:Millimeters, Centimeters, Meters, Kilometers

Explanation:

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Answer 2

Answer:

Standard unit is the main unit or the base unit of measurment. Kilometre and metre are the standard units of length.

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