Frost action is an example of which process?

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Multiple Choice

Frost action is an example of which process?

Explanation:
Frost action illustrates weathering, specifically mechanical (physical) weathering. Water seeps into cracks in rocks, freezes, and expands, forcing the cracks to widen and the rock to fracture. This breakdown occurs in place, without changing the rock’s chemical composition. Erosion would involve moving those fragments away by wind, water, or ice, while deposition or sedimentation involve dropping or settling material in new locations. So frost action is about breaking rocks down where they are, not about moving or depositing the pieces.

Frost action illustrates weathering, specifically mechanical (physical) weathering. Water seeps into cracks in rocks, freezes, and expands, forcing the cracks to widen and the rock to fracture. This breakdown occurs in place, without changing the rock’s chemical composition. Erosion would involve moving those fragments away by wind, water, or ice, while deposition or sedimentation involve dropping or settling material in new locations. So frost action is about breaking rocks down where they are, not about moving or depositing the pieces.

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