Question

the coastal rivers in kerala have long extending backwaters hear their mouthes are known as___

Answer 1

Answer:

I'm not sure of the answer but this is what I think should be...

Explanation:

The place is called backwaters because the lake water is actually fresh river water that comes down from the river and is then used for the paddy fields whenever the need be, and later the lake water as it goes ahead, merges with the ocean in Kochi.