When Frozen Water on the Surface of Mars Heats Up

Multiple Choice

When frozen water on the surface of Mars heats up during summertime, the water

A) melts and forms liquid pools on the surface.
B) boils off the surface and escapes into outer space.
C) sublimates and goes directly into the gaseous phase.
D) remains frozen because the temperature remains below the freezing point.
E) melts and creates flowing rivers that erode the landscape.