Question

what is the base unit of volume when using the metric system?
a cubic centimeter or cm³
b liter or l
c milliliter or ml
d cubic meter or m³

Explanation:

In the metric system, the base unit of volume is the cubic meter. A cubic centimeter ($cm^{3}$) is a derived - unit related to the base unit. A liter (L) and milliliter (mL) are also derived units for volume. The base unit for length in the metric system is the meter, and volume is a three - dimensional measurement based on length, so the base unit of volume is the cubic meter ($m^{3}$).

Answer:

d. cubic meter or $m^{3}$