It Is Believed There Were Originally Far More Objects in the Asteroid

Multiple Choice

It is believed there were originally far more objects in the asteroid belt than there are now. What happened to the rest of them?

A) The gravitational influence of Jupiter deflected most of them out of the solar system.
B) Mars-sized objects moving through the asteroid belt disrupted the orbits and deflected most of them out of the solar system.
C) The majority of the original asteroids coalesced to form a series of Mars-sized objects, one of which struck Earth and caused the formation of the Moon.
D) A passing star pulled most of the original asteroids out of the solar system.