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The Reason Chewing Gum Helps Your Ears While Flying - and Why Some Experts Advise Against It | Travel + Leisure
![Why do your ears pop? Your ears pop in air planes because the air high above the surface of Earth is less dense than air near the surface, because air. - ppt Why do your ears pop? Your ears pop in air planes because the air high above the surface of Earth is less dense than air near the surface, because air. - ppt](https://slideplayer.com/16045865/88/images/slide_1.jpg)
Why do your ears pop? Your ears pop in air planes because the air high above the surface of Earth is less dense than air near the surface, because air. - ppt
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