2 Study the diagram below and answer the following questions. 2.2.1 Define the following terms: (a) River source (b) River mouth. 2.2.2 To which direction does the main river flow? 2.2.3 What do we call a smaller river that flows into a bigger river?

here are the answers to the questions about the river diagram:

2.2.1

a) A river source is the original point from which a river or stream originates. This is usually in higher land, such as mountains or hills, where water collects from rainfall or melting snow.

b) A river mouth is the part of a river where it flows into another body of water, such as a larger river, a lake, a reservoir, or an ocean.

2.2.2 The main river flows from higher land to lower land.

2.2.3 We call a smaller river that flows into a bigger river a tributary.