Question

Tectonic plates move at rates that are approximately ____________.
a. 1 to 5 cm every 1,000 years
b. 1 to 15 m/year
c. 10 to 100 m/year
d. 1 to 15 cm/year

Answer 1

A. 1 to 5 cm every 1,000 years
     Because in one year it moves 2.5 centimeters