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Welcome to the CPL HPL question and answer forum. Please feel free to post your questions but more importantly also suggest answers for your forum colleagues. Bob himself or one of the other tutors will get to your question as soon as we can.
I was reviewing some practice Bob Tait questions about Human Condition and found this question confusing, I don't understand the books answer.
During climb volume gases in ear decreases because outside pressure decreases letting the gases move around and expand but when you descent the pressure is greater and gas' volume would increase??? - My understanding