Question

1. what is the meaning of watershed of a river ? Plese explain

2. What is single river system and are there any other type river systems?

Answer 1

watershed (also called a drainage basin or a catchment) is defined as an area of land that intercepts and drains precipitation through a particular river system or group of river systems. ... A multiple open watershed empties into the ocean through more than one mouth.

Answer 2

A watershed is simply the area of land that catches rain and snow and drains or seeps into a marsh, stream, river, lake or groundwater.....

The area drained by a single river system is called a drainage basin ....

I m not sure ....

i think so it is called canal where villages are supplied with water