Answer:
A compare-and-contrast essay analyzes two subjects by either comparing them, contrasting them, or both. The purpose of writing a comparison or contrast essay is not to state the obvious but rather to illuminate subtle differences or unexpected similarities between two subjects.
Explanation:
"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.
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