When Frozen Water on the Surface of Mars Heats Up

question 6

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.

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