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Assessment
What is the primary nutrient that helps in the growth of aquatic plants?
Nitrogen
Potassium
Phosphorus
Calcium
Which nutrient is often a limiting factor in freshwater ecosystems?
Iron
Sodium
Phosphorus
Chlorine
What role do decomposers play in the aquatic nutrient cycle?
They produce oxygen for aquatic life.
They break down organic matter and recycle nutrients.
They consume microorganisms that recycle nutrients.
They filter out toxins from the water.
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