What are polar ice caps on Mars composed of?

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What are polar ice caps on Mars composed of?

2007-10-29 11:44:39 · 4 answers · asked by kelseywelsey94 2 in Science & Mathematics ➔ Astronomy & Space

4 answers

Mars has permanent water-ice caps at both poles and seasonal caps of frozen carbon dioxide.

2007-10-29 11:48:11 · answer #1 · answered by Anonymous · 1⤊ 0⤋

Mostly dry ice, which is frozen carbon dioxide. But there is a water ice part that is much smaller and is usually buried under the dry ice part in winter.

2007-10-29 11:47:57 · answer #2 · answered by campbelp2002 7 · 1⤊ 0⤋

Both answers are correct about the dry ice, but there is no hard evidence of water ice being present.

2007-10-29 15:41:34 · answer #3 · answered by johnandeileen2000 7 · 0⤊ 0⤋

mostly solid carbon dioxide and some water ice.
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2014-10-20 13:13:21 · answer #4 · answered by Anonymous · 0⤊ 0⤋