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2
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the process by which a body of water becomes enriched in dissolved nutrients
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3
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the reduction in the concentration of dissolved oxygen in water, especially as a result of pollution
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4
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the introduction of contaminants into the natural environment that cause adverse change
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5
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a substance that provides nourishment essential for the maintenance of life
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6
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green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water
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7
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habitats that support marine life
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8
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a rapid increase or accumulation in the population of algae in freshwater or marine water systems
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1
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the process by which oxygen-breathing creatures turn fuel, such as fats and sugars, into energy
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