Which of the following statements describes the surface of callisto, the outer galilean moon of jupiter? sulfur-coated surface, with molten sulfur lakes and active volcanoes ice-covered surface with dark coating, maybe of meteoritic dust or hydrocarbon material, making the moon appear dark dark, rocky surface with a thin ice frost that occasionally disappears by evaporation in sunlight ammonia and methane ice surface, with methane clouds above it, making the moon appear very bright