The presence of breccias among the lunar rock samples shows that
A) volcanism did not occur on the moon.
B) molten lava once flowed over the lunar surface.
C) the crust must have been made of anorthosite.
D) water once existed on the moon in the form of small lakes and streams.
E) the lunar surface was fragmented by meteorite impacts.

Question

Quizplus · Accepted Answer

Breccias are formed when rocks are fragmented and then fused back together by the impact of a meteorite. Therefore, their presence among the lunar rock samples indicates that the surface of the moon was fragmented by meteorite impacts.

The Presence of Breccias Among the Lunar Rock Samples Shows