Weegy: An alluvial fan is a fan-shaped deposit formed where a fast flowing stream flattens, slows, [ and spreads typically at the exit of a canyon onto a flatter plain while A delta is a landform that is created at the mouth of a river where that river flows into an ocean, sea, estuary, lake, reservoir, flat arid area, or another river. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river. ]
User: describe the process of eutrophication?
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