The process of seafloor spreading and plate tectonic movement on Earth's surface takes place at a speed of
A) a few meters per year.
B) a few centimeters per year.
C) a few centimeters per century.
D) less than a millimeter per year.

Question

Quizplus · Accepted Answer

Seafloor spreading and plate tectonic movements occur at a rate of a few centimeters per year, similar to the speed at which fingernails grow.

The Process of Seafloor Spreading and Plate Tectonic Movement on Earth's