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The image features a diagram titled "How is a delta formed?" presenting a three-step sequential process labeled with numbered points 1 to 3. Step 1 displays a river flowing between landmasses into a large body of water, accompanied by the text: "1 Velocity slows dramatically when a river meets a large body of water." Step 2 illustrates sediment fragments appearing at the mouth of the river entering the water, labeled: "2 Because of the decrease in velocity, sediments are deposited." Step 3 shows an extensive network of branching sediment channels extending into the water body, labeled: "3 Over time, the sediments build up, forming a delta."
Given the complexity of the image, the above description may not be entirely accurate.
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The given diagram illustrates the process by which river delta develops.
Overall,delta formation is a gradual natural process containing three main stages.Velocity slows when meeting the sea,sediments deposited,forming a delta.This material is deposited at the river mouth,where it accumulates and divides river into smaller channels channels,creating delta.
In the first stage ,the river flows from mountains towards the coast,eroding rocks and soil.As the result,sediment which contains sand,silt and clay is transported downstream.When the river reaches the sea it slows down and loses energy.consequently, it can stop carrying all sediment,and it deposited at the river mouth,forming a layer of sediment in the water
During the main stages, the deposited material graduallly accumulates.As this process continues,the river channel splits into several smaller channels. Eventually,further sediment deposition forms larger triangular landforms,which called river delta.
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