Rock is disintegrated into soil by processes such as:
A) warming and cooling
B) wetting and drying
C) ?wind erosion
D) all the above
D
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Which of the following is an essential function of the horse’s head?
a. balance c. eyesight b. breathing d. all answers
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The movement of force, in pounds, over a distance is _____
a. work b. energy c. pressure d. fluid power
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Which of the following control devices is often used in both a primary and a secondary control role?
a. Pressure switches b. Humidistats c. Rupture disks d. Condenser water valves
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____ varieties of steel are slightly oversize and have slightly rounded corners.
A. Hot-tempered B. Hot-rolled C. Cold-tempered D. Cold-rolled
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