Consider the following statements: 1. The Great Northern Plains are formed by basins of three distinct river systems — the Indus, the Ganga and the Brahmaputra. 2. They are one of the most densely populated areas on Earth. 3. Between the Yamuna at Delhi a
All the statements are correct. The Great Northern Plains are indeed formed by the Indus, Ganga, and Brahmaputra river systems, are densely populated, and have a gentle slope from Delhi to the Bay of Bengal.