The earth's tectonic plates move at a rate of about:
A)1 kilometer a year
B)14 meters a year
C)2.5 centimeters a year
D)0.3 centimeters a year

Question

Quizplus · Accepted Answer

The movement of tectonic plates is measured in centimeters per year, and the generally accepted rate of movement is around 2.5 centimeters per year. While there may be some variation in the speed of individual plates or in certain areas, this is the average rate of movement for most plates. Choices A and B are too high, while choice D is too low.

The Earth's Tectonic Plates Move at a Rate of About