Respuesta :

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An oxygen tank helps a diver breath underwater.

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Answer:

The correct answer is diving regulator.

Explanation:

The device connected with the diving suits is known as a diving regulator. This instrument permits one to breathe underwater, though it does not breathe for an individual. A diving regulator minimizes pressurized gas to suitable pressure and provides it to the diver.  

The gas utilized in the diving regulator may comprise a diversity of uniquely mixed gases or it can just be air.