# science

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water freze and the boulder expands what is this

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A large boulder sits at the top edge of a cliff, this is boulder A. A smaller boulder sits on a ledge half way down the same cliff, this is boulder B. Which boulder has the greatest potential energy, A or B?
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Water freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of?
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water freezes in the crack in this boulder and expands. over time, pieces of the boulder will break off. what type of weathering effectis this an example of?
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why water expands when it freezes? Water expands when it freezes because it starts to bend. when all the water molecules are in this hexagonal structure, the same amount of water takes up more space than when the molecules are randomly

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