Which of the following properly lists the planets and satellites of planets in order of decreasing density?

Question

Quizplus · Accepted Answer

Mercury, being a planet, has a higher density than the moons listed due to its large metallic core. Among the moons, Io, being the most geologically active due to tidal heating from Jupiter, has a higher density than the Moon and Europa, which are less geologically active. Europa, being primarily composed of water ice over a possible subsurface ocean, has the lowest density among the listed bodies.

Which of the Following Properly Lists the Planets and Satellites