character: Bubbles the Dolphin
topic: Effects of Pollution on Marine Ecosystems
grade: 6
subject: Geography
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character: Bubbles the Dolphin
topic: Conservation of Marine Life
grade: 6
subject: Geography
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character: Bubbles the Dolphin
topic: Understanding Ocean Currents
grade: 6
subject: Geography
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character: Bubbles the Dolphin
topic: The Importance of Coral Reefs
grade: 6
subject: Geography
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