CBSE Class 12-science Answered
how are deltas formed?
Asked by Ayush kumar | 09 Mar, 2014, 08:45: PM
Expert Answer
- River water contains charged colloidal particles of clay, sand and many other materials.
- Sea water is a very big store-house of a variety of electrolytes dissolved in it.
- As soon as river water comes in contact with sea water, the electrolytes present in sea water coagulate the suspended colloidal particles which ultimately settle down at the point of contact.
- Thus, the level of the river bed rises.
- As a result, water adopts a different course and delta is formed in due course of time.
- It is so called because the heap formed has a shape similar to the Greek letterD.
- In other words, delta is formed due to sitting of the estuary.
Answered by | 10 Mar, 2014, 11:56: AM
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