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Assessment
What is the primary factor that affects nutrient availability in aquatic systems?
Water temperature
Salinity levels
Light penetration
Nutrient cycling
Which nutrient is often a limiting factor in freshwater ecosystems?
Nitrogen
Phosphorus
Potassium
Calcium
What process is predominantly responsible for the conversion of inorganic nitrogen to organic forms usable by aquatic plants?
Denitrification
Nitrification
Ammonification
Nitrogen fixation
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