問題詳情

45. Which process(es) is (are) most likely to lead to acid rain?1. pollutants from a copper smelter2. the burning of coal containing sulfur3. xcessive spraying of herbicides or insecticides
(A) 1 only
(B) 2 only
(C) 3 only
(D) 1 and 2 only

參考答案

答案:D
難度:適中0.555556
統計:A(1),B(4),C(1),D(10),E(0)

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