character: Dr. Ocean Blue
topic: The Importance of pH Levels for Marine Life
grade: 9
subject: Science
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character: Captain Coral
topic: Effects of Ocean Acidification on Coral Reefs
grade: 9
subject: Science
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character: Professor Wave
topic: The Role of pH in Aquatic Ecosystems
grade: 9
subject: Science
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character: Marine Biologist Jill
topic: How pH Affects Marine Biodiversity
grade: 9
subject: Science
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