The eruptions observed on Io are thought to MOST clearly resemble
A) impacts, a side effect of the many asteroids and comets captured by Jupiter.
B) geysers, where material is shot upward more or less continuously by the pressure of gas produced below the surface.
C) terrestrial mid-ocean ridges, where upwelling molten rock pushes the crust apart.
D) explosions, where material is thrown upward by a single burst and then falls back to the surface.

Question

Quizplus · Accepted Answer

Io's eruptions are most similar to geysers on Earth, where subsurface pressures eject material continuously into space, driven by tidal heating from its gravitational interaction with Jupiter.

The Eruptions Observed on Io Are Thought to MOST Clearly