問題詳情
38. Avoiding to the passage, what happened to oxygen on Venus'?
(A) Most of it was absorbed into rocks.
(B) It was released from water and then combined with other substances.
(C) It chemically combined with hydrogen to form atmospheric water,
(D) It has been slowly replacing carbon dioxide in Venus' upper atmosphere,
(A) Most of it was absorbed into rocks.
(B) It was released from water and then combined with other substances.
(C) It chemically combined with hydrogen to form atmospheric water,
(D) It has been slowly replacing carbon dioxide in Venus' upper atmosphere,
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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