________ is the main mineral found in mature bones

a. Calcium c. Phosphorus
b. Magnesium d. a and c


D

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To access the object snap short cut menu:

a. Right-click when AutoCAD prompts for point selection b. Right-click after entering a draw command c. Pick the object snap button d. Pick the object snap tracking button

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Mr. Chen planted 12.4 acres of burley tobacco. Since he was able to do most of the work himself, it cost him 46.2 percent of the income to produce the crop. If he had to hire someone to do all the work, it would have cost him 74.7 percent of the income to produce the crop. He had a yield of 2,050 pounds per acre selling for $1.60 per pound.

a. How many pounds of tobacco were produced? b. What was his income, since he was able to do most of the work? c. What would his income have been, if he had hired someone to do all the work? d. How much more did he receive by doing most of the work, instead of hiring it all done?

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A compressor that uses an offset rolling piston that seals against a blade that remains stationary and moves in and out of its slot to seal against the rolling piston is a:

A) Rotary blade rotary compressor. B) Stationary blade rotary compressor. C) Reciprocating compressor. D) Rotary screw compressor.

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Who may refill a DOT 39 nonrefillable cylinder?

A) Only EPA-certified refrigerant recyclers B) Only certified technicians C) Only refrigerant manufacturers D) Nobody

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