which evidence of the giant impact suggests that earth and the moon may have once been in the same place?

Question

A. the temperatures on earth and on the moon are similar
B. the composition of the moon rocks and some of the earths rocks are similar.
C. the amount of water on the moon and on earth is similar
D. the type of gasses in the atmosphere of earth and moon is the same

Answer 1

The evidence of the giant impact that suggests Earth and the Moon may have once been in the same place is:

B. the composition of the moon rocks and some of the earth's rocks are similar.

This similarity in composition indicates that the Moon likely formed from debris created by a giant impact between the early Earth and a Mars-sized body.