What is the internal structure of Io?
A) iron core overlaid by a molten mantle and rocky crust
B) core of rock overlaid by a thick mantle of water ice
C) entirely or almost entirely rock, with no evidence of ice or a differentiated metallic core
D) iron core overlaid by a rocky mantle and a deep ocean of liquid water

Question

Quizplus · Accepted Answer

Io, one of Jupiter's moons, has an internal structure consisting of an iron or iron sulfide core, surrounded by a molten mantle made of silicate rock, and a solid surface crust of sulfur and silicate rock. This structure supports intense volcanic activity observed on its surface.

What Is the Internal Structure of Io