Closed-loop, or ____________________, systems reuse the same heat transfer fluid, which is circulated in buried plastic pipes within the earth or within a lake or pond.

Fill in the blank(s) with the appropriate word(s).


earth coupled

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Figure 16-10 In the accompanying figure, a platform is used to raise material from the bottom floor to an upper floor. A(n) ____________________ is used to raise the platform.

Fill in the blank(s) with the appropriate word(s).

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Clams, mussels, oysters, and scallops fall into the ____________________ subcategory of shellfish

Fill in the blank(s) with correct word

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Attempts to leach the excess salts from a saline-sodic soil resulted in a marked reduction of crop yields. To what is this most likely due?

A) removal of Ca2+ and Mg2+ ions from the exchange complex B) deficiency of iron and manganese C) increase in the Al3+ concentration D) increase in percentage sodium saturation E) increase in the soil pH

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Technician A says that if the parking brake cable is adjusted too tight, the rear brakes may drag and overheat. Technician B says that the parking brake is adjusted properly if the cable is tight when in the released position. Which technician is correct?

A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B

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