Question

Answer in one word.
upation -
this is would's oldest and most widespread on
llood plains​

Answer 1

Answer:

Floodplains are perhaps the most common of fluvial features in that they are usually found along every major river and in most large tributary valleys. Floodplains can be defined topographically as relatively flat surfaces that stand adjacent to river channels and occupy much of the area constituting valley bottoms.