Along coastal cliffs, the most effective erosion takes place ________.
A) 5-10 meters above sea level
B) 2 meters above sea level
C) at sea level
D) 2 meters below sea level
E) 5-10 meters below sea level

Question

Quizplus · Accepted Answer

Coastal cliffs erode most effectively at sea level, where powerful waves can directly impact and undercut the base of the cliff. Cliff erosion can also occur above sea level due to weathering and mass wasting processes, but the most significant erosion occurs at the interface between waves and the cliff face.

Along Coastal Cliffs, the Most Effective Erosion Takes Place ________