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
詳解 (共 1 筆)
未解鎖
去森林化,植物無法留住土壤中的礦物質與水...