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Certainly... The cabin is pressurised to ground level.
Flying with blocked ears is not necessarily dangerous. However, you want to find out why your ears are blocked before you fly.
It is blocked by air.
swollow a drink
up to 90%
Yes.
ihaue pressure in cheeks and ears
It is the altitude of the plane...and the pressure pressurizes your ear drums..you can try popping your ears a few times then it might not hurt as much..
Eat sweets, so that your ears will not be in pain!
It is a 24hr plane journey.
because of the loudness in the plane engine but you can chew gum it will help.
Sagittal plane