Question

how has North Indian plains been formed​

Answer 1

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The northern plains are mainly formed by the alluvial deposits. The northern plain has been formed by the interconnection of the three major river systems. They are the Indus, the Ganga and the Brahmaputra along with their tributaries. This plain is completely formed of alluvial soil.

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Answer 2

Answer:

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The northern plains are mainly formed by the alluvial deposits. The northern plain has been formed by the interconnection of the three major river systems. They are the Indus, the Ganga and the Brahmaputra along with their tributaries. This plain is completely formed of alluvial soil.