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Title: During summer, the northern polar cap of Mars is made of Post by: hermiz on Sep 9, 2017 During summer, the northern polar cap of Mars is made of
A) carbon dioxide ice overlaying water ice B) a layer of carbon dioxide ice C) a layer of water ice D) water ice overlaying carbon dioxide ice Title: Re: During summer, the northern polar cap of Mars is made of Post by: Donskoy on Sep 9, 2017 Content hidden
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