What makes the sun to move across the sun?

The Sun spins or rotates on its axis in the same direction as Earth (counterclockwise, when looking down from the north pole). Because it is a gas, it does not rotate like a solid. ... We know this by watching the motion of sunspots and other solar features move across the Sun.

Explanation:

b. the carbon cycle ensures living things have a source of hydrogen

the answer is c on e2020, bud.