The observation that the Moon's average density is similar to the density of the Earth's _________ supports the collision theory of the Moon's origin.
A) oceans
B) average density
C) core
D) atmosphere
E) mantle

Question

Quizplus · Accepted Answer

The Moon's average density is similar to that of the Earth's mantle, supporting the collision theory, which suggests that the Moon formed from debris resulting from a collision between the Earth and a Mars-sized body, primarily involving the Earth's outer layers.

The Observation That the Moon's Average Density Is Similar to the Density