Question

Duck can swim in water, but hen cannot. Why?

Answer 1

Answer:

Ducks are able to float for long periods because of this same principle, but without holding their breath. This is because their bodies are equipped with internal air sacs that store air like balloons, making them extremely buoyant withiut affecting their ability to breathe.

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Answer 2

Ducks are able to float for long periods because of this same principle, but without holding their breath. This is because their bodies are equipped with internal air sacs that store air like balloons, making them extremely buoyant withiut affecting their ability to breathe.