2. 外语
  3. What is the main idea of the passage? According to the passage, outgassing eventually led to all of the following EXCEPT ______

What is the main idea of the passage? According to the passage, outgassing eventually led to all of the following EXCEPT ______

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问题 What is the main idea of the passage?
According to the passage, outgassing eventually led to all of the following EXCEPT ______.
选项 A、increases in the carbon dioxide content of sedimentary rocks
B、the formation of bodies of water
C、decreases in the level of nitrogen
D、the formation of clouds
答案C
解析
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