Suppose a conventional jet airliner is at an altitude of 10 km, the outside air pressure is 250 hPa, and the outside temperature is -60°C. What would be the air temperature inside the jet if the outside air is brought inside and compressed to a 1000 hPa pressure? (Assume that 1000 hPa pressure is equivalent to 0 m altitude.)
A. 60°C
B. 40°C
C. 0°C
D. -60°C
Answer: B
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