A) oligotrophic
B) eutrophic
C) trophic
D) euphotic
Correct Answer: B
Solution :
Eutrophication is the phenomenon of nutrient enrichment of a water body that initially supports a dense growth of plants and animals life. Eutrophic lake is a lake, which is rich in a nutrients and a lake which is deficient in nutrients, known as oligotrophic lake. Euphotic lake have sufficient light for animals !and plants activities.
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