How does Frost action cause weathering?
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One example is called frost action or frost shattering. Water gets into cracks and joints in bedrock. When the water freezes it expands and the cracks are opened a little wider. Over time pieces of rock can split off a rock face and big boulders are broken into smaller rocks and gravel.
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one example is called frost action . Water gets into cracks and joints in bedroack .
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