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Assessment
What is the primary cause of nutrient pollution in aquatic ecosystems?
Runoff of fertilizers from agriculture
Increased sedimentation
Natural sediment deposition
Increased carbon dioxide levels
What is a common ecological effect of excess nutrients in water bodies?
Algal blooms
Increased biodiversity
Decreased water temperature
Enhanced oxygen levels
Which nutrient is often associated with excessive algae growth in freshwater systems?
Phosphorus
Nitrogen
Potassium
Calcium
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