The eruptive plumes observed on Io are thought to most closely resemble
A) terrestrial mid-ocean ridges,where upwelling molten rock pushes the crust apart.
B) geysers,where material is shot upward by the pressure of gas produced below the surface.
C) volcanoes,producing lava flows and columns of erupting silicate ash.
D) explosions,where material is thrown upward by a single burst and then falls back to the surface.

Question

Quizplus · Accepted Answer

The eruptive plumes on Io are most similar to geysers on Earth, where material is propelled upwards by the pressure of gases produced below the surface. This is due to Io's volcanic activity, where sulfur and sulfur dioxide gases are released, driving the plumes.

The Eruptive Plumes Observed on Io Are Thought to Most