With the increased pressure, the O2 can be added to a SCUBA tank that contains high pressure air to create what’s known as NITROX. The idea is to increase the percentage of Oxygen in order to ...
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Mini Scuba-Diving Marvel: Lizard’s Air Tank Is Right On Its NoseShe had previously observed the lizards using a bubble underwater. When threatened by a predator, these lizards dive beneath the surface and create a bubble over their heads to breathe.
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