Which theory says that the moon formed from the dust produced by a collision between earth and another large body?
impact theory
co-formation theory
capture theory
synchronous theory

The theory that says the moon formed from the dust produced by a collision between Earth and another large body is the impact theory. It happened 4.5 billion years ago between Earth and a protoplanet about half the Earth’s size. Then created a molten disk of rock, gas, and debris that formed the moon.

the answer is b, have negligible mass