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Mars has two frozen icecaps made of carbon dioxide and which other substance? A: Helium B: Nitrogen C: Methane D: Water
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2 votes
Mars has two frozen icecaps made of carbon dioxide and which other substance?

A: Helium
B: Nitrogen
C: Methane
D: Water

User Manas Mukherjee
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2 Answers

11 votes
Mars has frozen ice caps so its D
User Mustafa Deniz
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9 votes

Answer:

Like Earth, Mars has frozen polar caps, but unlike Earth, these caps are made of carbon dioxide ice as well as water ice. so d is correct

User Jeanzuck
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