Multiple choice Choose the incorrect statement. The tidal bulges on wide continental shelves have greater height. When tidal bulges hit the mid-oceanic islands, they become low. The shape of bays and estuaries along a coastline can reduce the intensity of tides. Funnel-shaped bays greatly change tidal magnitudes. Surges are not regular like tides. Reveal answer Fill a bubble to check yourself C Correct answer Explanation This is an incorrect statement.