You are a coastal geologist trying to help a coastal community restore its sediment-starved beach.You decide that beach nourishment is the best option,so you order that dredge sediment from the nearest river be placed on the beach.The sediment is 70% silt and 30% sand.What will be the effect of using this sediment?
A)The silt will be washed away by the waves,leaving the beach no better off.
B)The sand will be washed away by the waves,but the silt will fix the problem.
C)All the sediment will remain on the beach and will fix the problem.
D)All the sediment will remain on the beach,but it will become muddy and filthy.

Question

Quizplus · Accepted Answer

The silt, being finer and lighter, will be easily washed away by the waves, leaving the beach with insufficient sediment to address the erosion problem effectively.

You Are a Coastal Geologist Trying to Help a Coastal