A) Excessive oxygen in ponds
B) Abundant fertilizers in the lake
C) The lack of algae in the lake
D) Abundant nektons in the lake
Correct Answer: B
Solution :
[b] Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both. Eutrophication can be a natural process in lakes, occurring as they age through geological time. Negative environmental effects include the depletion of oxygen in the water, which may cause death to aquatic animals.You need to login to perform this action.
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