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Underwater diving is the practice of descending below the water's surface to conduct underwater activities. In ambient pressure diving, the diver is exposed to the pressure of the surrounding water, and uses breathing apparatus for scuba diving or surface supplied diving, or when freediving, will breath-hold. The saturation diving technique reduces the risk of decompression sickness after long duration deep dives.
Well you must not be familiar with the diving bell spider, a species of spider that spends the majority of its life underwater! Yes itâs true; there is such a thing as an underwater spider!