問題詳情
四、某家庭污水排入一河川，繪出河水從污水排放口開始到下游不同距離之①B0D②DO③大腸 菌④原生動物⑤細菌數⑥有機氮⑦氨態氮⑧亞硝酸氮⑨硝酸態氮之變化，以 圖表示便可，並說明這些水質變化的相關性。（20分）
參考答案
答案：D
難度：簡單0.89121
統計：A(87),B(124),C(65),D(2261),E(0)
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