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Question
What does the presence of a green layer over a water body in the image depict?
What does the presence of a green layer over a water body in the image depict?
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Solution
The correct option is B Eutrophication
The image depicts an eutrophic lake with algal blooms. Eutrophication is a process by which lakes or other water bodies become rich in nitrogenous nutrients due to excess run-off of fertilizers and animal wastes into them. Excessive nitrogen allows plant life (algae) to grow luxuriantly causing algal blooms. This cuts off oxygen supply to the residing fishes and other aquatic organisms.
The image depicts an eutrophic lake with algal blooms. Eutrophication is a process by which lakes or other water bodies become rich in nitrogenous nutrients due to excess run-off of fertilizers and animal wastes into them. Excessive nitrogen allows plant life (algae) to grow luxuriantly causing algal blooms. This cuts off oxygen supply to the residing fishes and other aquatic organisms.
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