Which of the following is not one of the three principles from which the metric system is based?
a.) there is one unit for each measurable quantity.
b.) prefixes are used to signify multiples of each unit.
c.) metric measurements cannot be converted to any other form of measurement.
d.) the basic units are related to each other.

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.

i think the answer is   b.