Geophysicists today generally attribute the existence of the Earth's magnetic field to which of the following?
A)convection currents within the liquid interior
B)iron ore deposits in the crust
C)nickel-iron deposits in the crust
D)solar flares

Question

Quizplus · Accepted Answer

Geophysicists generally attribute the existence of the Earth's magnetic field to convection currents within the liquid interior. These currents are generated by the flow of the molten iron in the outer core and create a magnetic field that extends into space around the Earth. Iron ore or nickel-iron deposits in the crust do not have a significant effect on the Earth's magnetic field, and solar flares can create disturbances but do not generate the field itself.

Geophysicists Today Generally Attribute the Existence of the Earth's Magnetic