Which statement best describes the movement of Earth’s plates? A. The plates moved for million of years but have now stopped
B. There is no evidence that plates ever moved
C. The plates stayed in one place for million of years but are moving now
D. The plates are constantly moving

D. The plates are constantly moving

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.