How much time should it take the 1/2 ft3 to turn per revolution if the furnace was using 142.8 ft/hr3 of gas?
A) 50.4 seconds per revolution B) 12.6 seconds per revolution
C) 52.4 seconds per revolution D) 25.2 seconds per revolution
B
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The chemical essential in a compound that is found in all cells of animals where it plays an important role in the structuring of cell membranes is called ________________________
Fill in the blank(s) with correct word
Kevlar is the brand name for which fiber used in tire construction?
A) Polyester B) Aramid C) Nylon D) None of these
Which of the following most likely preceded the development of agriculture?
a. the ability to smelt metals b. settled life c. writing d. wheeled vehicles
? When a polygon on one end of a prism is not parallel to the other end, it is said to be _____.
A. eccentric B. truncated C. concentric D. obtuse