Question

Earth's magnetic field is generated by the outer core. Which characteristics of this layer create that phenomenon? How do you think scientists pinpointed the cause of the magnetic field as the outer core?

Answer 1

I see some answered the question

Answer 2

On Earth, flowing of liquid metal in the outer core of the planet generates electric currents. The rotation of Earth on its axis causes these electric currents to form a magnetic field which extends around the planet.