5. 地下水水質項目中，下列何項是人為污染所引起的? (A)總硬度 (B)總溶解固體 (C)硝酸鹽 (D)砷

問題詳情

5. 地下水水質項目中，下列何項是人為污染所引起的?
(A)總硬度
(B)總溶解固體
(C)硝酸鹽
(D)砷

參考答案

答案：C

統計：A:0,B:0,C:1,D:1,E:0

難度：計算中

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