Passengers must exit airplanes rapidly after accidents because gases released following accidents are toxic to humans and often explode soon after being released. In order to prevent passenger deaths from gas inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases. Which of the following, if true, constitutes the strongest reason to require implementation of the safety officials' recommendation?
A. Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took passengers to leave the cabin.
B. In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic gases before they could exit the airplane.
C. Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the gases from igniting.
D. Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight before takeoff.
সঠিক উত্তরঃ
B.
In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic gases before they could exit the airplane.
Explanation:
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