0 votes
What makes a river system?

1 Answer

0 votes
From its source, a river flows downhill as a small stream. Together, a river and its tributaries make up a river system. A river system is also called a drainage basin or watershed. A river's watershed includes the river, all its tributaries, and any groundwater resources in the area.
Welcome to All about Slots&Casino site, where you can find questions and answers on everything about online gambling.