character: Professor Reef
topic: The Relationship Between pH Levels and Marine Life
grade: 9
subject: Biology
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character: Dr. Coral
topic: Impact of Ocean Acidification on Coral Reefs
grade: 9
subject: Biology
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character: Captain Tide
topic: The Effects of pH Changes on Marine Ecosystems
grade: 9
subject: Biology
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character: Ms. Oceanus
topic: pH and Its Influence on Marine Biodiversity
grade: 9
subject: Biology
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