Question

What interferes with river flow?

Answer 1

some thing that may interfere with the rover flow are

beaver dams

human dams

fallen leaves

Answer 2

There are several manmade and natural barriers that interferes with the river flow

Step-by-step explanation:

The following structures man made structures interferes with the flow of a river -

a) Gyrones

b) Canyon

c) Dams

d) diverging canals

e) Bridge abutments/pillars

f) embankments

g) spill ways

h) drainage systems

etc

Along with manmade structure several natural obstruction also interferes with the river flow -

a) Undirected mearning

b) Catchment area slope

c) slope of the river itself

d) natural barriers like valleys, hills and mountains