問題詳情
21. If a forested area surrounding a stream is cleared of trees, what might happen?
(A) Increased import of nutrients to the soil
(B) Decreased rates of soil and rock weathering
(C) Increased run-off of water
(D) Decreased rates of chemical leaching
(E) Increased denitrification
參考答案
答案：C
難度：適中0.470588
統計：A(3),B(1),C(8),D(0),E(2)