The flow of air entraining into a combustion reaction that is going against the spreading flame is known as:
A) concurrent flow flame spread.
B) counterflow flame spread.
C) conduction.
D) viscous drag.
B
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Where do the left and right coronary arteries originate?
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You have been given an order to cut through the "C" posts of a car with a trapped passenger. As an EMT with knowledge of vehicle extrication, you cut the posts located at which areas of the roof?
A) Rear B) Top C) Front D) Middle
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