Question

explain river system

Answer 1

________________________


$\huge\text{River\:system:}$


A river along with a network of tributaries and distributaries is called as River System.


$\bold{OR,}$


The area drained by a particular river including its tributaries and distributaries is called as River System.


________________________

Answer 2

A river is a stream of water that follows through channel in the surface of the ground