character: Mr. Aaron Brown
topic: The role of pH in aquatic habitat health
grade: 10
subject: Biology
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character: Ms. Linda Green
topic: Impact of nutrient levels on aquatic ecosystems
grade: 10
subject: Biology
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character: Mr. David White
topic: Effects of pollution on water quality and aquatic life
grade: 10
subject: Biology
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character: Dr. Emily Carter
topic: The significance of dissolved oxygen levels in aquatic habitats
grade: 10
subject: Biology
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