Directions: Select from the seven sentences below the two sentences that are true of Ganymede and the three sentences that are true of Callisto Drag each sentence you select into the appropriate column of the table. Two of the sentences will NOT be used. This question is worth 3 points. A. It has a core that consists mainly of rock and metal. B. It may have formed as recently as half a billion years ago C. Its interior is not fully solid D. Its evolution has probably been strongly influenced by Jupiter's gravity E. It always keeps the same face toward Jupiter as it orbits the planet F. Its crust is covered by slow-moving glaciers G. Its entire surface is heavily cratered