What must be done prior to making forcible entry into a fire building?
a. utilities must be controlled
b. an "all clear" must be declared
c. the fire attack team must be ready
d. ventilation must be established
Answer: c. the fire attack team must be ready
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Which of the following is the first to occur in the life cycle of a middle-latitude cyclone?
A. fully developed warm front B. cut-off cyclone C. occluded cyclone D. open wave
Read carefully through the paragraph below, and decide which of the options is correct. The principle of isostasy explains variations in surface elevations in terms of the type and thickness of underlying crust
Low-density crust floats on denser, underlying mantle so that the temperature is everywhere the same at the base of any thick vertical column through the crust and upper mantle. A) The word " isostasy" should be replaced by "superposition." B) The word " elevations " should be replaced by "pressures." C) The word "temperature" should be replaced by " pressure ." D) The words " underlying crust " should be replaced by " underlying mantle."
A ________ is a location where transfer among transportation modes is possible
A) break-of-bulk point B) switch point C) natural relay point D) transport management point E) central place logistical point
What structural feature is associated with the prostaglandin F (PGF) group?
A) a carbonyl at carbon-9 B) a carboxylate at carbon-9 C) hydroxyl groups at carbon-9 and carbon-11 D) none of the above