A cork floats in water while an iron nail sinks. Which statement explains the nail sinking?

Question

A cork floats in water while an iron nail sinks. Which statement explains the nail sinking? — Exam MCQ

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B. The iron nail is denser than water — Iron's density exceeds water's, while cork's average density is less than water's.

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A. Cork is denser than water

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C. The nail has more mass than the cork

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D. The cork has more mass than the nail