Why does the surface area of Earth remain constant throughout time?
A) Subduction occurs.
B) Rates of sea-floor spreading are equal to sea-floor consumption.
C) Plates slip past each other.
D) Both a and b are correct.
E) Both b and c are correct.

Question

Quizplus · Accepted Answer

The surface area of Earth remains constant because subduction (A) and equal rates of sea-floor spreading and consumption (B) balance each other out.

Why Does the Surface Area of Earth Remain Constant Throughout