How would a river change through deposition?

Meandering occurs by eroding the sediments comprising an outer, concave bank (cut bank) and deposits this and other sediment downstream on an inner, convex bank which is typically a point bar.

Oxbow Lakes - An oxbow lake forms when a river creates a meander, due to the river's eroding the bank. After a long period of time, the meander becomes very curved, and eventually the neck of the meander becomes narrower and the river cuts through the neck during a flood, cutting off the meander and forming an oxbow lake.

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blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.