The observation that the Moon's average density is similar to the density of 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 Earth's mantle, supporting the collision theory, which suggests the Moon formed from debris after a Mars-sized body collided with Earth, primarily involving the mantle.

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