What does the presence of Earth's magnetic field tell us about Earth's interior?
A) The core must be very hot and dense.
B) It must contain a conductive liquid.
C) It must contain metallic hydrogen.
D) The mantle must be liquid.

Question

Quizplus · Accepted Answer

The presence of Earth's magnetic field indicates that there is a conductive liquid in the Earth's outer core, which is primarily composed of molten iron and nickel. This movement of conductive material generates the magnetic field through the geodynamo process.

What Does the Presence of Earth's Magnetic Field Tell Us