It the end .The water carried by the rivers flows into anther rivers (tributaste)
MIDDLE COURSE
The initial stage on the rivers (mountains) The water flows raplidy . The rivers move the rocks with it
Source
The mouth
It the final stage . The rivers flows slowly . It diposited the rock . It form curves called meanders
The starting point of the rivers
Upper course
Lower course
The water flows more slowly .The landcapes is less seep