Io Experiences Strong Internal Tidal Heating Because of

Multiple Choice

Io experiences strong internal tidal heating because of

A) large amounts of radioactive decay occurring inside the moon
B) the large amount of internal heat left over from its formation
C) the strong tidal forces exerted by the outer Galilean moons, Europa, Ganymede, and Callisto
D) the strong tidal force from the massive Jupiter combined with its elliptical orbit which causes the strength and direction of the force to constantly change