The average size of sediment in a natural levee is ________ that found in the surrounding floodplain.
A) larger than
B) smaller than
C) the same size as

Question

Quizplus · Accepted Answer

Natural levees are formed by the deposition of sediment during flood events. The velocity of water near the river channel is higher than that of the floodplain. As a result, coarser sediment is deposited near the channel forming a natural levee. In contrast, finer sediment is transported further onto the floodplain. Therefore, the average size of sediment in a natural levee is generally larger than that found in the surrounding floodplain.

The Average Size of Sediment in a Natural Levee Is