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The water lifts up your weight when it is in water.So,the oxygen tanks feels lighter when they are in water

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13y ago

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Does the mass of the oxygen tank change once underwater?

yes


Why scuba diver wear oxygen tank?

so they can breath underwater


Name somewhere that you would need an oxygen tank?

Underwater Hospital In a fire Outer space


Why does the oxygen need to be comressed in a divers tank?

Oxygen needs to be compressed in a diver's tank to increase the amount of oxygen that can be stored in the tank. Compressing the gas allows divers to carry enough oxygen to sustain them while underwater for a longer period of time without the tank becoming too large and unwieldy.


What do marine biologists wear underwater?

They probably wear scuba gear,flippers,a whole suit,and an oxygen tank.


How can you get oxygen underwater?

You can bring oxygen underwater by using scuba diving equipment, such as a tank of compressed air and a regulator that allows you to breathe while submerged. Alternatively, some marine mammals like whales and dolphins are able to store and use oxygen efficiently in their bodies to stay underwater for extended periods of time.


What is an aqualung?

An aqualung is a piece of equipment consisting of an oxygen tank and breathing apparatus used by divers to allow them to breathe underwater at depth.


Is there a way of breathing underwater using a small oxygen tank with a directly connected mouthpiece?

yes, basically you're just saying what scuba-divers do


What makes submarines float underwater?

air pressure because if air is lighter than water and you are trying to get a tank full of water to sink you would need a whole lot of air so by compressing lots of air into the tank it makes the tank heavy so it sinks


How do scuba divers breathe underwater?

They don't breathe normally on their own.They have to use pressure regulators to breathe naturally, overcoming the extreme pressure deep underwater.A snorkel and oxygen tank help the divers breathe when they are underwater.


How is the frog like a scuba diver?

Well, it needs oxygen like a human scuba diver but it lasts a pretty long time underwater just like a human would if he used an oxygen tank.


What does diving under water with a breathing tube called?

a breathing tank! try it its fun! (underwater swimming)