The number of cubic feet in one cubic yard of concrete is _____
a. 3
b. 6
c. 9
d. 27
d
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A ____ is any system that converts human waste into an organic compost and usable soil through the natural breakdown of organic matter into its essential minerals.
A. water closet B. composting toilet C. lavatory D. wash station
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How many degrees are in three-quarters of a circle?
A. 90 B. 270 C. 360 D. 450
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The visual response by the plant to the pathogen is:
a. a symptom c. an injury b. a disease d. an infection
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What is the superheat if the suction pressure on an R404A system is 16 psig and the suction line temperature is -10°?
a. 2° b. 6° c. 10° d. 12° d. 30°
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