The Water Conservation Alliance of Southern Arizona estimates that the average household can save between 30,000 and 50,000 gallons of fresh water annually through the use of a ____ water system.
A. unified gray
B. green
C. whole house gray
D. whole house green
Answer: C
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Indicate whether the statement is true or false
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Metric wire size is measured in units of ________
A) Cubic centimeters B) Square millimeters C) Meters D) Cubic millimeters
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