Lee ebe a na-aza ajụjụ a n'otu asụsụ ahụ dị n'okpuru ebe a: Ebe a na-aza ajụjụ a: Indus <unk> Ganga plains, nke a makwaara dị ka "Great Plains", bụ nnukwu idei mmiri nke Indus, Ganga na Brahmaputra river systems. Ha na-aga n'akụkụ ugwu Himalaya, site na Jammu na Kashmir na Khyber Pakhtunkhwa n'ebe ọdịda anyanwụ ruo Assam n'ebe ọwụwa anyanwụ ma kpochapụ ọtụtụ n'ime Northern na Eastern India. Ala dị larịị na-ekpuchi ebe 700,000 km2 (270,000 sq mi) ma dịgasị iche iche n'obosara site n'ogologo ha site na ọtụtụ narị kilomita. Osimiri isi nke usoro a bụ Ganga na Indus tinyere ndị enyemaka ha; Beas, Yamuna, Gomti, Ravi, Chambal, Sutlejb na Chenab. Ajụjụ: Gịnị bụ nnukwu mmiri abụọ dị na usoro a a a kpọtụrụ aha na ahịrịokwu a?
Ganga na Indus