A

Admin • 828.03K Points
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Q. Which region on Mars is believed to have once contained a large ocean?

  • (A) Tharsis
  • (B) Elysium Planitia
  • (C) Hellas Basin
  • (D) Northern Lowlands
Explanation by: Admin
The Northern Lowlands may have hosted a large ancient ocean based on topographic and chemical evidence.

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