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Of all the possible disasters that threaten American [#permalink]
18 Sep 2012, 11:39
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Of all the possible disasters that threaten American agriculture, the possibility of an adverse change in climate is maybe the more difficult for analysis. (A) is maybe the more difficult for analysis (B) is probably the most difficult to analyze (C) is maybe the most difficult for analysis (D) is probably the more difficult to analyze (E) is, it may be, the analysis that is most difficult