An extremely long ocean wave created by an underwater earthquake that may travel hundreds of kilometers per hour is a
A) rill.
B) dune.
C) moraine.
D) tsunami.
Question 2
________ are like a river carrying sediment from areas where it is eroded by waves and depositing it where breaking waves lose energy to carry it, usually in deeper water.
A) Surfs
B) Longshore currents
C) Seismic waves
D) Rills