Question

who am I? l . smaller rivers that join a main river. . . . . . . . 2.Route that river takes. . . . . . 3.Formed when river fall over steep slopes. . . . . . . . 4 Bottom of the river. . . . . . .

Answer 1

1 tributary 2 ??? 3 v shaped valley

Answer 2

who am I I am bottom of the river