問題詳情
40. Global warming is a phenomenon in which global temperate is increasing as a result of increasinggreenhouse gas concentrations in the atmosphere. Scientists believe that the Earth can tolerate X-Y degreeCelsius temperature increase before it passes the point of no return and moves into a positive feedbackloop. "X-Y" should be
(A) 1-2
(B) 3-4
(C) 5-6
(D) 7-8
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增