Can you comment the article because there's no image on a article. Hope this helped, you probably didn't notice.
Answer:
<em>the answer is coral reefs are a very important component of the ocean’s ecosystem because they support sea life, such as crabs and sea turtles. In fact, over four thousand species depend on the survival of the reefs, which are being destroyed by bleaching. More must be done immediately to save the reefs.</em>
Treat the alligators with respect so you do not ENRAGE them.Enrage means to make someone/something very angry.
The rhetorical device that I would use to create a feeling of unity between myself and my audience is <span>first-person plural mode of address. So, using the pronoun <em>we </em>to talk about myself and the audience would be the best choice to form some kind of a closer relationship with them.</span>