1. Conjunction (kata hubung)andbecausedue tosuch asin exchange forcomparing to2. Extra / InterjectionDo you know what? (bisa dianggap interjection karena menyela alur narasi)3. Compound noun (kata benda majemuk)national parkfishing communitiescoral reefdiving siteincome generateddiving centerdry climatesoil erosion4. Causative verb (kata kerja kausatif)leave (dalam konteks “leaving large stretches of reef completely untouched” membuat terumbu karang tetap utuh)