Ключевые слова: acidification, background, biology, board, change, climate, climate change, coastal erosion, college, concept, coral, diving, ecology, ecosystem, education, environment, fish, glass globe, global warming, globe, handwritten, inscription, level, life, message, motivation, natural, nature, ocean, ocean acidification, pacific, presentation, rising, scenery, sea, seascape, snorkeling, sticky, text, travel, tropics, underwater, water, wildlife,