Adelta is formed by deposition of sediment at the mouth of a river by water fanning out, and sometimes the water of the Ganges mixes with the current of the river Saraswati. Given these facts, what is formed by sediment being deposited at its mouth by water fanning out among the following options:
- waterfalls
 - rivers
 - detritus
 - soils
 - deltas
 - soft soil
 - lagoons
 - Rocks


 

     deltas    