Discuss Forum

1. In the first paragraph,the author most likely mentions the discovery of polar ice caps to suggest that:

  • A. Until recently Mars polar ice caps were thought to consist largely of carbon dioxide
  • B. Until recently Mars polar ice caps were thought to consist largely of carbon dioxide
  • C. Until recently Mars polar ice caps were thought to consist largely of carbon dioxide
  • D. Until recently Mars polar ice caps were thought to consist largely of carbon dioxide

Answer: Option C

Explanation:


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