The constant volcanism on this moon continually repaves its surface so any impact craters are quickly obliterated.
A) Ganymede
B) Callisto
C) Io
D) Europa

Question

Quizplus · Accepted Answer

The statement describes the volcanic activity of Io, one of Jupiter's moons, which has a constantly active surface due to its intense volcanic activity. Ganymede and Callisto have much less volcanic activity, while Europa has a surface that is mostly covered in ice, so there would be no repaving of impact craters.

The Constant Volcanism on This Moon Continually Repaves Its Surface