How does eutrophication affect clean water bodies?

Reduces algae growth

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Causes Algal bloom

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Produces excess oxygen

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Deficiency of oxygen

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Solution

The correct options are
B Causes Algal bloom
D Deficiency of oxygen
The process by which a clean water body changes to an algae-filled state and then to an oxygen-deficient state is known as eutrophication.

Eutrophication occurs when a body of water becomes overly enriched with minerals and nutrients which induce excessive growth of algae. This process may result in oxygen depletion of the water body after the bacterial degradation of the algae.

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