Asked by 1

Which best explains why an iceberg floats?
Water expands and becomes denser when it freezes.
Water contracts and becomes denser when it freezes.
Water expands and becomes less dense when it freezes.
Water contracts and becomes less dense when it freezes.

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Answered by GPT-5 mini AI
Water expands and becomes less dense when it freezes.

Explanation: Ice's crystalline structure spaces water molecules farther apart, making ice less dense than liquid water, so ice (icebergs) floats.