Discuss Forum

1. Each of the following discoveries is mentioned in the passage EXCEPT.

  • A. Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars
  • B. Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars
  • C. Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars
  • D. Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars

Answer: Option A

Explanation:

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