What would cause a river to have a series of terraces lying at different elevations, all above its modern floodplain?
A)agrarian alien visitors in the geologic past constructing paddies
B)deranged drainage patterns
C)incision due to uplift or lowered base level
D)progressive decreases in rainfall in its headwaters

Question

Quizplus · Accepted Answer

Incision due to uplift or lowered base level can cause a river to have a series of terraces lying at different elevations, all above its modern floodplain. As the river cuts down into its channel, it leaves behind old floodplain deposits at higher elevations, creating a series of terraces.

What Would Cause a River to Have a Series of Terraces