Question

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 Please select the best answer from the choices provided

Answer 1

outer core is your answer

Answer 2

c. outer core

Step-by-step 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.