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Question
You want to maintain a healthy pond at your school site. Last year another pond became eutrophic; to avoid that, you want to ________.A) increase the carbon-based fertilizers in the littoral zone
B) provide nitrogen for good nutrient mixing in the benthic zone
C) increase the ozone in the littoral zone
D) avoid increasing phosphorus in the limnetic zone
E) decrease the calcium available in the profundal zone
Answer
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