Mars Has Polar Ice Caps That Differ from the Earth's

question 42

Multiple Choice

Mars has polar ice caps that differ from the Earth's Antarctic ice cap in that ____________.

• A) the Martian caps contain some frozen carbon dioxide (dry ice) as well as ice water
• B) the Martian caps have a spiral fracture pattern not found in Antarctica
• C) Martian caps are ablated by sublimation only; there is currently no liquid water on Mars
• D) All of the above are correct.

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Definitions:

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