Answer:
D. It describes the distance between 6 and -6 on the number line.
Explanation:
A. The absolute value of -6 is 6 because the absolute value is the positive or real number of a negative number.
B. The distance between -6 to 0 is 6.
C. [-6] = 6
D. The distance between 6 and -6 is 12.
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6