Most fire-retardant chemicals operate by:
A) accelerating the absorption of moisture to extinguish flame spread.
B) combining chemicals with air to eliminate the air supply.
C) accelerating the formation of charring in the wood.
D) increasing the formation of volatile gases.
C
Health Professions
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The degenerative changes that occur in aging bones and predisposes seniors to hip fractures from falling is
a. bursitis. b. sciatic pain. c. osteoporosis. d. stiffness.
Health Professions
Which of the following statements regarding water supplies is LEAST accurate?
A. Storage tanks may be used as a secondary water supply. B. The primary water supply must be from a private source. C. The primary water supply is often the only supply available. D. A secondary water supply may be required in some instances.
Health Professions