When a river reaches a base level,its forward velocity rapidly decelerates as it enters a larger body of standing water and a (n)_____is formed.
A)estuary
B)alluvial terrace
C)delta
D)stream terrace
E)floodplain

Question

Quizplus · Accepted Answer

When a river reaches a base level, it may deposit sediments and form a delta where the river meets a larger body of standing water, such as a lake, ocean, or sea. An estuary is also formed when a river meets the sea but is characterized by brackish water and tidal movements. Alluvial terraces and stream terraces are landforms that form when rivers, over time, erode the surrounding land creating benches or platforms. A floodplain is a landform that forms when the river overflows its banks during times of high water.

When a River Reaches a Base Level,its Forward Velocity Rapidly