character: Ms. Johnson
topic: Global Warming and its Effects on Marine Biodiversity
grade: 11
subject: Geography
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character: Ms. Johnson
topic: Impact of Climate Change on Coral Reefs
grade: 11
subject: Geography
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character: Ms. Johnson
topic: Ocean Acidification and Ecosystem Changes
grade: 11
subject: Geography
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character: Ms. Johnson
topic: Effects of Temperature Rise on Fish Populations
grade: 11
subject: Geography
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