The given clause, "whoever wins the contest a savings bond" is a subordinate or a dependent clause. This kind of clause does not convey a complete thought and needs the main sentence in order to make it understandable. This subordinate clause is connected to the main clause with the subordinating conjunction "whoever".
Answer:
The waves symbolize the Seventh's Man's fear.
Because if you just say sand it’s gonna sound plane but if you describe it’s it helps the reader imagine what they’re reading
