The Earth's magnetic field is generated by the dynamo effect. Where does this take place?
A) in the aurora borealis and aurora australis
B) in the solid central core
C) in the plastic mantle
D) in the molten metallic core

Question

Quizplus · Accepted Answer

The Earth's magnetic field is generated by the dynamo effect in the molten metallic core. This is due to the movement of electrically conductive molten iron and nickel, which creates electric currents and, in turn, generates the magnetic field.

The Earth's Magnetic Field Is Generated by the Dynamo Effect