alleryStart learning →Air pressure roughly halves every 5,500 m climbed. How does it compare at 11,000 m with sea level?
AHalf of sea level
BOne quarter of sea level
CSame as sea level
DOne tenth of sea level
Answer & Solution
Correct answer: B. One quarter of sea level
Climbing 11,000 m is two halvings of 5,500 m each, so the pressure falls to half of a half, a quarter.
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