I would say either the first, second, or fourth answer; waves have a very strong impact on the movement of sand and other particles under the water. Erosion of particles off an island are similar in this case.
It wouldn't be anything about a tropical storm; it's no where in the question and we don't know how many storms Florida has or how strong they are.
Earth's mantle plays an important role in the evolution of the crust and provides the thermal and mechanical driving forces for plate tectonics. Heat liberated by the core is transferred into the mantle where most of it (> 90%) is convected through the mantle to the base of the lithosphere.
The greek root-word Bios means life
D. The Coriolis effect describes the Earth spinning and throwing the wind off course. There are 3 types of wind, Easterlies, Westerlies, and Trade Winds.
I hope I've been of some assistance!