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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 ...
Diving without scuba is called free diving   The world records are listed on the link    http://www.impulseadventure.com/freedive/world-record.html   Don't try â¦ without instruction, its a lot more dangerous than scuba    Answer:people can go up to 20(m) without gear. 6 people found this useful. Sperm Whales can dive up to a depth of 3,000 meters. That means that sperm whales can dive up to somewhere between 6,600 and 13,000 ft. Those measurements mean that a sp â¦ erm whale can execute it's deepest dives in the Deep Ocean Zone and go to the Abyssopelastic (Abyssal) Zone, but no further.