The Earth's magnetic field is due to ____.
A) the presence of magnetic iron and nickel in the core
B) gravity
C) the occurrence of magnetite in all rocks
D) convection in the liquid outer core
E) none of these

Question

Quizplus · Accepted Answer

The Earth's magnetic field is generated by the motion of the liquid iron and nickel in the outer core, which creates a dynamo effect that generates a magnetic field. This convection in the liquid outer core is responsible for the Earth's magnetic field. None of the other options listed are responsible for the Earth's magnetic field.

The Earth's Magnetic Field Is Due to ____