Instructions:
Explain each of them in one or two sentences.
Solution:
Rivers:
The natural streams originating from the mountain tops flows and drains into other streams forming a large water body called a river. In other words, any natural stream of water that flows in a channel with defined banks.
Tributaries:
The rivers along its path are joined by other rivers or streams. These streams that make up the river are called its tributaries.
Water divide:
An elevated area like a mountain or an upland that separates two drainage basins is called the water divide.