I'm pretty sure it's third person omniscient
Never try to tense up. If you are relaxed you have a better chance of surviving:)
rippling blue waves
crashing on the sun-burnt sand
causing birds to fly
The words also form a complete thought, so the example is a complete sentence. A fragment can also be a group of words that contains both a subject and a verb, but the words do not form a complete idea; these groups of words are called dependent clauses, and they must be connected to an independent clause.