human
Question: Which of the following is a crucial piece of evidence supporting scientists' theory of how the continents and the ocean basins formed?

Choices:
A) Gravitational forces result in the fusion of small atoms.
B) A differentiated iron core expresses magnetic properties.
C) Currents redistribute heat in an unevenly heated liquid.
D) A stream of charged ions disperses lightweight gases.
gpt
The correct answer is 2: Currents redistribute heat in an unevenly heated liquid..