Middle School Earth and Space Science Quiz
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EARTH'S SYSTEMS
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Diagram 3 shows a steep coastal cliff. In the before panel, the cliff edge is farther seaward. In the after panel, the cliff edge has moved inland, and broken rock pieces are shown at the base. Wave arrows repeatedly hit the base of the cliff, and an arrow labeled "rock falls" points downward.
Which process is most directly responsible for the cliff retreat shown?
Note: Multiple processes can act together (for example, weathering can weaken rock, and erosion can remove it).
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