Weathering: Flood water pounding against a canyon wall breaking it down, Caves being formed by rain dissolving underground limestone, Water getting into cracks, freezing, and breaking the rocks or pavement apart, Wind blasting sand at rock and carving out arches, Glaciers scraping rocks across the earth's surface, Rocks being made smooth by tumbling across a streambed, Tree roots growing in the cracks of rocks and wedging them apart, Water crashing against rocks and slowly breaking them into smaller pieces, Erosion: Rain washing away soil from a hillside and moving it to another location, A mudslide carrying sediment down a steep hill, Wind blowing sand from one location to another, Muddy water being carried away from a fast moving river, Flood waters moving soil from one location to another, Wind moving sediment from a marsh to the beach, Deposition: Layers of sediment forming at the bottom of the ocean, Glaciers dropping rock and sand to form terminal moraines, Waves dropping sand on the beach, Deltas forming at the mouths of rivers , Ponds filling up with sediment and becoming marshes ,

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