Question

The lithospheric plates move an average of ____. (1 point) 5 inches per year 50 inches per year 5 centimeters per year 50 centimeters per year

Answer 1

They move at a rate of one to two inches (three to five centimeters) per year.

so its(three to five centimeters) per year.

Answer 2

J get answer on this way:
1 inches =2,54 centimeters,
5 inches=12,7 centimeters,
50 inches=127 centimeters,
average= 12,7/4+127/4+5/4+50/40=48,67 centimeters