"swirling-surf" is simply a more accurate and detailed description of surf that occurs in the ocean. "Swirling" implies that the surf is especially large and rough.
Well, personification is adding human attributes to non-living things. EX: "The sun glared angrily at me." The sun isn't able to "glare angrily" so therefore that is personification. Hope this helps. :)
It basically means that she is also speaking up for the other babies that it has happened to.
Deposition is the term used <span>to describe the process by which agents are carried from one place to another because of erosion.</span>