character: Dr. Sylvia Earle
topic: Oceanographer and marine biologist focusing on ocean health and pH levels.
grade: 9
subject: Biology
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character: Jacques Cousteau
topic: A pioneer in marine conservation and studies relating to ocean acidity.
grade: 9
subject: Biology
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character: Rachel Carson
topic: Author and marine biologist whose work included the impact of pH on marine life.
grade: 9
subject: Biology
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character: Carl Safina
topic: Ecologist studying the effects of ocean pH changes on marine ecosystems.
grade: 9
subject: Biology
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