The magma that rises out of them cools eventually, with some help from the water. eventually all the cooled magma builds up into an island.
First off why is this Geography. I am going to yolo this and say segregation was unconstitutional. <span />
The answer to your question is D. evaporation is a process and precipitation is more of an element in that process.
The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)