The pressure inside an aeroplane is kept :
(a) zero
(b) equal to ground level atmospheric pressure
(c) less than atmospheric pressure
(d) equal to atmospheric pressure at higher altitudes.
(a) zero
(b) equal to ground level atmospheric pressure
(c) less than atmospheric pressure
(d) equal to atmospheric pressure at higher altitudes.
Answers & Comments
Answer:
equal to atmospheric pressure at higher altitudes
Explanation:
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