The presence of igneous rocks on the Moon tells us that:
A) the Moon has never had meteorite impacts.
B) portions of the Moon were once hot and liquid.
C) the Moon formed when a giant object struck the Earth.
D) the Moon's surface was reshaped by numerous meteorite impacts.

Question

Quizplus · Accepted Answer

The presence of igneous rocks on the Moon indicates that portions of the Moon were once hot and liquid, which is consistent with the theory that the Moon formed from molten material ejected by a giant impact on the early Earth.

The Presence of Igneous Rocks on the Moon Tells Us