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Scuba diving is a form of underwater diving where the diver uses a self-contained underwater breathing apparatus (scuba) which is completely independent of surface supply, to breathe underwater.[1] Scuba divers carry their own source of breathing gas, usually compressed air,[2] allowing them greater independence and freedom of movement than ...
The final step toward becoming a certified scuba diver is to complete four open water training dives under the supervision of an instructor. These dives are conducted in a large body of water like the ocean or a lake to depths between 15 and 60 feet over two or more days.