The answer is
When it rains on a mountain top, it creates a river. That river flows down carrying sediments witch end up in the beach.
Sediments can be picked up by wind, and water.
When too much groundwater is removed the ground subsides because the loss of water causes loose sediments underground to compact.
Alluvial fans form where water moving fast (a high energy state) and therefore carrying a lot of sediment of various sizes suddenly slows down (a low energy state) and therefore dumps most of the load it is carrying. They therefore develop where streams issue from canyons onto an adjacent valley floors.
When wind or water wear away a rock, the process is called "erosion".
this causes erosion
The sediments build up on the floor of the stream, ocean, river, or lake and causes the water to lower.
sediments left behind by moving water or wind
(3) The moving water causes sediments to abrade against each other.
Fast moving water.
Wind or water carrying sediment deposits its load in slow moving or standing water. Sediment typically comes from beaches, erosion, and typical weathering.
Streams constantly erode sediments. Anytime the water is moving, sediments are being eroded
By weathering rock and carrying it away to different places. That process is called erosion. Then it deposits the sediments and builds, which is called deposition.
By weathering rock and carrying it away to different places. That process is called erosion. Then it deposits the sediments and builds, which is called deposition.
When it rains on a mountain top, it creates a river. That river flows down carrying sediments witch end up in the beach.
deposition
When gravity and friction overcome the ability of the moving water to move them.