Question

What causes the earth’s magnetic field?

A.
currents in the earth’s liquid-metal outer core

B.
the mineral composition of the earth’s crust

C.
molten material in the mantle

D.
magnetic particles located at the earth’s poles

Answer 1

Scientists believe the magnetic field is generated deep inside the Earth where the heat of the planet's solid inner core churns a liquid outer core of iron and nickel. The solid inner core is thought to be a mass of iron about the size of the moon that is heated to several thousand degrees Fahrenheit.

Answer 2

So c.) :)

Answer 3

will give medal on this question and the other si 2 medals

Answer 4

okay :)