Which type of geothermal heat pump system uses the earth itself as its heat sink?
A. open-loop system
B. closed-loop system
C. continuous-loop system
D. series-loop system
Answer: B
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The protein content for alfalfa and ____ (legumes) is about 14 to 16 percent.
A. timothy B. clovers C. Kentucky blue grass D. lespedeza
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____________ are known as the building blocks of life because they help form the tissues that provide growth
a. Carbohydrates c. Chromosomes b. Amino acids d. Proteins
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Both kidneys are more readily palpated in dogs than in cats
A. True B. False
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A circle with two parallel lines drawn through it is the symbol normally used for _____
A) duplex receptacles B) junction boxes C) range receptacles D) blanked outlets
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