Question

what is the base si unit for length?
o meter
o centimeter
o mile
o foot
o none of the above

Explanation:

The International System of Units (SI) has base units for various physical quantities. The base SI unit for length is the meter. Centimeter is a derived unit from the meter (1 cm = 0.01 m), while mile and foot are non - SI units of length.

Answer:

A. meter