In a closed-loop system, the plastic water pipes that are buried in the Earth are called ____.
A. ground loops
B. thermal loops
C. water loops
D. both a and c
Answer: D
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Solidarity was
A. the slogan of the Southern Democrats who supported Reagan. B. a massive working-class labor union of Polish dissidents. C. the mutual pledge between Ronald Reagan and Margaret Thatcher to confront the Soviet Union. D. the slogan of the new religious right organization, the Moral Majority. E. a song widely used by the revived U.S. labor movement of the 1980s.
?What is the name of the part of the oil additive package that swells, allowing oil to maintain its viscosity as it heats up?
What will be an ideal response?
Anarchists were famously associated with the use of which weapon?
a. guns b. knives c. bombs d. poison
A foundation must be built to a depth where the ground is subject to freezing.
Answer the following statement true (T) or false (F)