Many of the maria on the Moon appear to be
A) former ocean basins from which the water has escaped.
B) lava flows around giant ancient volcanoes.
C) craters filled with basalt from within the Moon.
D) evenly distributed on the near side and the far side of the Moon.

Question

Quizplus · Accepted Answer

Maria on the Moon are large, dark plains formed by ancient volcanic eruptions. They are filled with basalt, a type of lava that flowed out from within the Moon, filling large basins and craters.

Many of the Maria on the Moon Appear to Be