Why is it impossible while 5m or more below water to breathe through a hose connected to the surface air, but easy to breathe through a scuba?
In: 158
To add to what’s been mentioned about the pressure;
If you were somehow able to stick in the air, j the volume of air in the tube would be too small to be able to exhale AND refresh the air in the tube. Essentially you’d be beating your exhaled air until there’s no more oxygen in it and you suffocate.
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