According to the variations in relief features the northern plains can be divided into four regions name them
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Answer:
Northern plains are alluvial plains formed by deposition of sediments brought down by the rivers. On the basis of variations in relief, they can be divided into four regions:
1) Bhabar Plain : - The rivers after descending down from the mountain deposits pebbles in a narrow belt parallel to the slopes of Shivaliks. The stream disappear in this belt as the bhabar plain.
2) Terai : Below the bhabar plains, the streams and rivers reemerge and create a wet, swampy and marshy land called Terai which is thickly forested and rich in wild life.
3) Bhangar : - A large part of bhangar is made up of older alluvium which lies above the flood plains. The soil here is not fertile and contains calcareous deposits called kankar.
4) Khadar : - The new and young deposits of flood plains found in the lower part of the river valley is called khadar. These are very fertile and renewed every year by flood and are suitable for intensive cultivation.