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Quiz 4 Answers - 2 H03 Quiz#4",by Repoandcolleagues(2009 1...

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2H03 Quiz #4 "Large N2O emissions from cryoturbated peat soil in tundra", by  Repo and colleagues (2009) 1.   The increase since the pre-industrial era of nitrous oxide in the atmosphere is mainly due to:    Student Response Correct Answer A. Expansion of agricultural land area    B. Expansion of automobile  transportation    C.  Expansion of urban land area    D.  Expansion of forested land area    Score: 1/1    2.   Which factor(s) contribute(s) to the high nitrous oxides emissions in the tropics?    Score: 1/1   
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3.   According to the article, are nitrous oxide dynamics in the Arctic as well understood as those of carbon dioxide  or methane?    Score: 1/1    4.   What was the main hypothesis of the authors of the article while doing their research?    Score: 1/1    5.   Are lichens and bryophytes absent from peat circles?   
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  Score: 1/1    6.
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