Which unit would you use to measure the length of a classroom?

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A Millimeters (mm)
B Centimeters (cm)
C Meters (m)
D Kilometers (km)

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Answer: C. Meters (m)

A classroom is several metres long, so metres are the best unit. Centimetres would give a very big number, and kilometres are used for distances between places.

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Which unit would you use to measure the length of a classroom?

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