What can help reduce indoor potable water use ?

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试卷: LEED v4 GA模拟题C卷[查看]
What can help reduce indoor potable water use ?
A: Gravity-based irrigation system
B: Smaller kitchen sinks
C: Stacking the building design
D: Composting toilets

参考答案: D

本题解释:
正确答案：D
系统解析: D:The indoor water efficiency credits address both reducing potable water use through water conserving fixtures, and offsetting potable water use by using graywater, rainwater, and recycled water.

Waterless urinals and composting toilets have a tremendous water savings over conventional flush fixtures (water closets, toilets, conventional urinals).

Composting toilets are not practical for many applications, such as high-rise buildings.