Why the Ganga – Brahmaputra basin is thickly populated and Amazon basin is not?

Ans. There are various reasons behind the thickness of this basin such as:

1. The Ganga – Brahmaputra basin is very fertile basin which attract people to come and settled down here.
2. Because of the level plain the transportation in this plain is easier than the other hilly areas.
3. These river basins are located in the temperate regions of the world that’s why the climatic conditions are very inhabitable which support the life here.