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staedtler staedtler
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7 years ago
What is the Caloris Basin?

(a)   A multi-ringed asteroid impact feature on Mercury.
(b)   A large, approximately-circular depression on Venus, caused by mantle downflow.
(c)   A large, low-level area on Mars, into which several ancient flow channels run.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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7 years ago
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staedtler Author
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6 years ago
On behalf of my study group and I, thank you
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