THE RIVERS IN WORLD
The river Nile is the longest river in the world it flows through Egypt and 10 other countries its 6,835km long. All rivers have a source and a mouth. The source is the start of the river and the mouth is the end of the river. The mouth is usually into the sea. A river has mostly fresh water in it. All have an upper, middle and lower course. There is something called river channel all rivers flow in channels and on the bottom of the channels is a bed. A river grows more and more as it collects water.