It doesn't. Evaporation occurs when the molecules heat up and get more energy and start to spread out. Condensed water would be more dense than evaporated.
<span>Seamounts form by submarine volcanism. After repeated eruptions, the volcano builds upwards into shallower water. If a seamount eventually breaches the water's surface, it becomes an island. ... They may form in groups or clusters, or can be found aligned in submarine volcanic mountain chains known as oceanic ridges.</span>
No all rock weathering and eroding are not the same for example if you have a big rock and it gets weathered it won’t be the same size as a small or medium rock getting weathered because the other rocks get cut into smaller pieces same for eroding, not all rocks are going to get moved to the same place, and their are different types of erosion that don’t apply to all rocks