You are presented with the quiz "What is formed by sediment being deposited at its mouth by water fanning out?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "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". 

So, what's the best answer to the question?


 

     deltas      