Which of the following represents a unidirectional change in the nature of Earth?
A)differentiation of the layers of Earth
B)the supercontinent cycle
C)the movement of water from one reservoir to another
D)the rise and fall of global sea levels

Question

Quizplus · Accepted Answer

Differentiation of the layers of Earth is a unidirectional change because once the Earth differentiated into core, mantle, and crust, it did not reverse or cycle back to a homogeneous state.

Which of the Following Represents a Unidirectional Change in the Nature