Question 1
Earth's magnetosphere is generated by
◦ nuclear fusion in Earth's core.
◦ nuclear fission in Earth's core.
◦ dynamo-like motions in Earth's interior.
◦ gravitational accretion.
Question 2
Earth's rotation is described as
◦ east to west.
◦ north to south.
◦ west to east.
◦ clockwise when viewed from above the North Pole.