Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

[A].	at sea level
[B].	at the top of Mt. Everest
[C].	at a place in a valley below sea level
[D].	in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level

Answer: Option C

Explanation:

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