Question

Write a short note on formation of delta.

Answer 1

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⭕When river water meets the sea water, the electrolyte present in sea water coagulate the colloidal solution of clay resulting in its deposition with the formation of delta.

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Answer 2

The river channel flows over the ground and makes contact with soil, it carries with it sediment like gravel, sand, silt and clay.When a river channel encounters another body of water, it loses its speed and deposits such sediment onto a flat area. The sediment deposited by a river is called alluvium.These sediments pile up into several layers called beds. The delta becomes a main channel that divides substantial land masses into various stream called distributaries appears like a maze of water channel.