Why are deltaic plains thickly populated?
Delta plains are formed at the mouths of rivers or wherever rivers lose their speed and leave alluvial deposits. Sunderban Delta is an example of this, which is formed by Ganga and Brahmaputra rivers. They are thickly populated because of the following reasons:
1. Due to low-speed water current of rivers, alluvial soil gets deposited at the mouth of the river which is called Delta plain.
2. Deltaic plains have fertile alluvial soil and it is easy to export products across other places due to its good transport services.
3. Cultivation can be done on a very larger scale as its soil is very fertile and this factor leads to the better and easier for the human settlement.
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