What makes the Earth center act like a magnet

Explanation:

The 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. Deep in the Earth, molten metal flows due to heat which causes convection.

b exhibiting favoritism toward the kikuyu people.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.