How Does the Large-Impact Hypothesis Explain Why the Moon Is

Multiple Choice

How does the large-impact hypothesis explain why the Moon is poor in heavy elements like iron?

A) The collision occurred too close to the Sun for heavy elements to exist.
B) The impact occurred after Earth had differentiated heavy elements to its center.
C) The collision blew away most of the heavy elements into space.
D) Most of the heavy elements were vaporized in the collision.