Question

Why are the northern plains fertile?

Answer 1

b'coz there are many mineral rich river flowing there

Answer 2

the northern plains were formed by the deposits brought in by the three major rivers and their tributaries. alluvium was deposited at the foot __ hills of the Himalayas for million of years. these deposits are now the fertile Northern plains. alluvium is soil or sediments deposited by a river or other running water.

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