The Eruptive Plumes Observed on Io Are Thought to Most

question 38

Multiple Choice

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.

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