Respuesta :
The answers are A.Bed load→ Large boulders carried along by a river with high velocities; B.Headwater→The beginning of a river, often located very high in the mountains; C.Suspended load→Small rocks carried along by a river as it flows; and D.Flood plain→A strip of land next to a river that is often very fertile with a flatter valley floor.
Bed load - Large boulders carried along by a river
Headwater - The beginning of a river
Suspended load - Small rocks carried along by a river
Flood plain - A strip of land next to a river that is often very fertile
(APEX Verified 2020)