character: Ms. Rachel Green
topic: The Water Cycle and Its Importance in Ecosystems
grade: 12
subject: Chemistry
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character: Mr. John Smith
topic: Effects of Water Quality on Ecosystems
grade: 12
subject: Chemistry
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character: Dr. Amy Johnson
topic: Chemical Properties of Water and Their Ecological Impact
grade: 12
subject: Chemistry
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character: Ms. Laura White
topic: Rainfall Patterns and Climate Change Effects on the Water Cycle
grade: 12
subject: Chemistry
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