20. Water pollution and the
presence of microbes in the
water lead to the reduction in the
oxygen levels of water bodies.
This condition is known
as
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Answer:
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Explanation:
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Explanation:
Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.
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