character: Dr. Waterman
topic: Water Molecule Structure
grade: 11
subject: Biology
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character: Professor H2O
topic: Chemical Properties of Water
grade: 11
subject: Biology
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character: Ms. Biology
topic: Importance of Water in Biological Systems
grade: 11
subject: Biology
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character: Mr. Chemist
topic: Interactions of Water with Other Molecules
grade: 11
subject: Biology
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