Which occurs because water expands by as much as 9% of its volume as it freezes?

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Frost wedging occurs because water expands by as much as 9% of its volume as it freezes, which can cause cracks in rocks and pavement to widen and break apart. Oxidization refers to a chemical reaction that occurs when a substance reacts with oxygen, resulting in the formation of oxides. Exfoliation is a process in which the outer layers of a rock peel away over time. Salt crystal growth occurs when dissolved salts in water crystallize and expand within pore spaces in rocks, causing them to break apart.

Which Occurs Because Water Expands by as Much as 9