Scientists think that the made of liquid iron and nickel, moves to produce earth’s magnetic field. a. crust b. mantle c. outer core d. inner core select the best answer from the choices provided

c. outer core

Explanation:

The inner core of the Earth is solid and contains iron. The outer core is in molten state and contains iron and nickel in liquid state. As the Earth spins, the domains of this magnetic material aligned in single direction generating huge magnetic field. Thus, earth acts like an enormous bar magnet.

Correct option is c. outer core.

it doesn't. it was imagined up in the middle ages.