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Nature & Animals

Which risk increases when certain fish ascend rapidly after feeding heavily near the seabed?

A)Swim bladder rupture from expansion
B)Digestive blockage from reduced pressure
C)Spinal compression from muscle fatigue
D)Gill damage from increased oxygen absorption

💡 Explanation

When fish ascend rapidly, the swim bladder expands due to decreased external pressure following Boyle's Law, which is increased when heavily fed due to increased gas production in the gut. Therefore swim bladder rupture is a risk, rather than blockage, compression, or gill damage which are based on different mechanisms and stresses.

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