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They are mainly made of carbon dioxide (CO2). The pole temperatures get so low that the atmosphere condenses out to form this dry ice layer.

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Which planet is red has ice caps made of frozen carbon dioxide?

Mars. Edit : As far as I know the ice caps contain water ice as well as frozen carbon dioxide.


Does the Mars have water?

Mars does have water, it is just frozen in its ice caps.


Are the icecaps of mars composed mostly of frozen water?

The ice caps in the North pole of Mars compose of frozen water and frozen carbon dioxide and the ice caps on the South Pole consists mainly of of frozen water.


Which planet has frozen ice caps made of CO2?

Mars


What are ice caps on mars?

Frozen water like earth has


Which 2 planets in your solar system have polar ice caps?

Earth and Mars. The polar ice caps on mars are mainly CO2 ice, frozen carbon dioxide.


What evidence shows that mars may once have water?

Mars' atmosphere contains trace amounts of water vapor, and it has polar ice caps that contain frozen H2O.


What evidence shows that mars may once have had liquid?

Mars' atmosphere contains trace amounts of water vapor, and it has polar ice caps that contain frozen H2O.


Of what are Mars' ice caps made?

Mars' ice caps are predominantly made up of water ice, with some layers also containing a mix of frozen carbon dioxide, also known as dry ice. The white polar caps are primarily composed of water ice, while the seasonal polar caps are a combination of water ice and frozen carbon dioxide.


What are the ice caps on Mars made of?

The ice caps on Mars are primarily made of water ice, with layers of dust and frozen carbon dioxide. The northern ice cap is larger and consists mostly of water ice, while the southern ice cap is smaller and contains both water ice and frozen carbon dioxide.


What evidence shows that Mars may. Once have liquid water?

Mars' atmosphere contains trace amounts of water vapor, and it has polar ice caps that contain frozen H2O.


What evidence show that mars may once have had liquid water?

Mars' atmosphere contains trace amounts of water vapor, and it has polar ice caps that contain frozen H2O.