question: Bigger ocean waves and waves that carry more sediment cause a greater extent of what?
distractor3: sand dunes
distractor1: drowning
distractor2: silt
correct_answer: erosion
support: Runoff, streams, and rivers carry sediment to the oceans. The sediment in ocean water acts like sandpaper. Over time, they erode the shore. The bigger the waves are and the more sediment they carry, the more erosion they cause.