what is delta? describe the ganga-brahmputra delta.

It is a landform formed at the mouth of a river where it deposits its load into a body of water.
Three features of Ganga Brahmaputra delta are as follows:

• Location: 23°06’N, 90°21’E
• with a surface area of some 100.000 km2, the world's largest Delta
• It is a flood plain result of three rivers  the Ganges, the Brahmaputra and  Megna
• It is a fertile regions supporting agriculture.
• The fertile soil has given rise to dense population
•  Dhaka, Kolkata are some major cities located here
• Its areas in kilometres is 105641