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Depends on whether you mean how deep or how far just beneath the surface, and if it's with breathing gear or by simply holding their breath. W/o breathing gear it's not really the water that sets the limit, but eventually the lack of oxygen. Lumping it all together staying shallower than 10 meters and shorter than one minute should be reasonably safe. If you're diving with breathing gear there are charts and computers that'll tell you what the safe limits are, but shallower than 10 meters is fairly safe even for that.
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BlakeIt depends on factors such as individual fitness, diving experience, and medical conditions. A depth of more than 30 meters (100 feet) without proper training, equipment, and supervision can be dangerous due to risks of decompression sickness, nitrogen narcosis, and oxygen toxicity. It's important to follow safe diving practices and consider factors like pressure, time spent at depth, and ascent rates to minimize risks.
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When water become dangerous?
Yes and no. Water can be dangerous if there are really big waves. Water can be safe if you are with someone.
Can a water spout kill a person?
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Water, when in contact with electricity, conducts the electricity to spread throughout the water instantly cause major electricity flow throughout the water. Water conducts electricity making it dangerous.
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Post-immersion collapse, also known as "shallow water blackout," is a sudden loss of consciousness that can occur after a person has been freediving or breath-holding underwater. It is often caused by hyperventilation before diving, which can lead to a decrease in blood oxygen levels without the diver realizing it. This can result in a blackout, which can be dangerous or fatal if it happens while the person is still underwater.
