why did the Indus River Valley have to be rebuilt many times.
990 miles long
The snake river is approximately 1040 miles long
35 miles long
123 miles
River Indus has 29 tributaries
The Nile River is 4,135 miles long and the longest river in the world.
None
There were rivers, valleys, land and many other characteristics that were in the Indus River Valley
600
600
The Aldan River in eastern Siberia is 1,412 miles (2,273 kilometers) long.