character: Dr. Robert Ballard
topic: Deep-Sea Exploration and Its Effects on Marine Biodiversity
subject: Geography
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character: Jacques Cousteau
topic: Marine Conservation Efforts and Exploration
subject: Geography
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character: Sylvia Earle
topic: Impact of Ocean Exploration on Biodiversity
subject: Geography
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character: James Cameron
topic: Deep-Sea Research and Technological Innovations
subject: Geography
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