In light of what we know about geological activity on the terrestrial worlds, why might it seem surprising to find geological activity on jovian moons?

a. because some of them have orbital resonances with other moons
b. because they rotate slowly
c. because they are relatively small in size
d. because they are moons, not planets
e. because they are far from the Sun


Ans: c. because they are relatively small in size

Physics & Space Science

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