問題詳情
下列哪一個是造成河川有太多養分的原因？
(A)排泄物流入河川
(B)石油流入河川
(C)重金屬流入河川
(D)廢熱流入河川
(A)排泄物流入河川
(B)石油流入河川
(C)重金屬流入河川
(D)廢熱流入河川
參考答案
答案：A
難度：非常簡單1
統計：A(11),B(0),C(0),D(0),E(0)
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