EXAMIANS
All of the following species are considered coliforms except
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Metabolism of dissolved organic material released by phytoplankton allows heterotrophic bacteria to become part of the particulate organic matter that is passed up the food web to be metabolized and released as mineral elements and CO2 at each transfer. This sentence describes the
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Chemical precipitation of phosphorus is
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Which of the following species in water reveal the presence of fecal pollution of human or animal origin?
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Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except
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The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer
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The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water.
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The sulfur pearl of Namibia, Thiomargarita namibiensis
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Activated sludge undergoes
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The Redfield ratio is an index of concentration of
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