The center of gravity of an object or body mass is
a. a vertical line through a mass.
b. the center of weight in a mass.
c. the velocity of a moving mass.
d. the base of support of a mass.
b
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All of the following are valid operation instructions when using a fire extinguisher EXCEPT
a. pull the pin. b. aim high toward the top of the fire. c. aim low toward the base of the fire. d. sweep the area from side to side.
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When Medicare pays for a service, the check is mailed to whom?
A. patient B. provider C. state D. secondary payer
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