The discovery that the moon is similar in composition to the outer portions of the earth most supports the

theory.

synchronous

capture

impact

co-formation

It most suppoet tge impact theory.

Explanation:

The his impact theory or the big splash is one of the accepted theories of tge moon and it states that the moon or luna and explain the origin of the moon that a Mars sized object planetestimal collided with the the proto Earth and the ejecta debris joined together by gravitational force which is the moon and it's orbit the Earth. The moon have similar composition to the outer portion of the Earth.

b brown mice / white sand dunes