Volumes.
If you put equivalent volumes in a bag, where both weigh the same, the density might get equal.
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Answer: studies indicate that humans living in warm, tropical environments (from a variety of populations) tend to have noses that are wider at the base because inhaling warm, moist air does not require adaptations.
Explanation:
Holding your breath while ascending can lead to all of the above options.
Surfacing excessively fast or holding the breathing while swimming to the surface can make the air in the lungs expand which is known as pneumonic barotrauma. This might break lung tissue, which can prompt gas bubbles to be delivered into the blood vessel dissemination (arterial gas embolism).
The air in the lungs becomes risky when an individual ascends. On the off chance that somebody holds their breath while rising to the surface, the lungs and the air inside them extend as the water pressure decreases. Since that air has no place to escape, it continues to expand against the walls of the lungs, no matter what the organ's capacity.
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