Question

why does the Brahmaputra in it's tibetan part have less silt despite a longer course​

Answer 1

Answer: In Tibet, the river carries a smaller volume of water and less silt, as it is a cold and dry area. ... Hence, the river carries a large volume of water and a considerable amount of silt.

Explanation:

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Answer 2

Answer:

In Tibet, the river carries a smaller volume of water and less silt, as it is a cold and dry area. In India, it passes through a region of high rainfall. Hence, the river carries a large volume of water and a considerable amount of silt.