In passive solar units that heat water, the water moves because
A) flat-plate collectors are facing the sun.
B) heated water rises up from low-positioned flat-plate collectors to the water tank.
C) wind-powered pumps move the water through the system.
D) an electric water pump moves the water through the system.
B
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Besides monitoring, what other knowledge helps geologists determine what to expect for eruptions
from a given volcano? What will be an ideal response?
The principle that can be used to determine the relative age of an igneous intrusion called a dike is the principle of
A. superposition. B. unconformities. C. cross-cutting relations. D. original horizontality.
Which of the following is a cause of respiratory acidosis?
A) a poor diet B) hyperventilation C) hypoventilation D) intense exercise
Aconitase belongs to which group of enzymes?
A) hydrolases B) lyases C) oxidoreductases D) transferases