What is the maximum level of Nitrate in water meant for human consumption allowe

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试卷: WELL AP模拟题英文B卷[查看]
What is the maximum level of Nitrate in water meant for human consumption allowed by Precondition 33: Fertilizers? 先决条件33：肥料中允许的人类消费中硝酸盐的最高含量是多少？
A: 11mg/L nitrogen 11mg / L氮
B: 1g/L nitrogen 1g / L氮
C: 1mg/L nitrogen 1mg / L氮
D: 10g/L nitrogen 10g / L氮

参考答案: A

本题解释:
正确答案：A