The surface of Jupiter's satellite Europa may be covered by
A) vegetation.
B) metallic hydrogen.
C) the highest volcanoes in the solar system.
D) a layer of water ice floating on liquid water.

Question

Quizplus · Accepted Answer

Scientists believe that under Europa's ice crust lies a subsurface ocean of liquid water. It is believed that there may be volcanic activity on the ocean floor, but there is no evidence of vegetation or metallic hydrogen on Europa's surface. Therefore, the best choice is D) a layer of water ice floating on liquid water.

The Surface of Jupiter's Satellite Europa May Be Covered by