Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made?
A)grams and milligrams
B)kilometers and kilograms
C)miles and kilometers
D)slugs and kilograms
E)centimeters and yards

Question

Quizplus · Accepted Answer

Kilometers and kilograms are both units of metric system but they measure different things. Kilometers are used to measure distances while kilograms are used to measure mass. They cannot be added together even after conversion.

Which One of the Following Pairs of Units May Not