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Biology, 14.11.2019 05:31 sccovell5601

Cyanobacteria produce from nitrogen gas as part of the nitrogen cycle. only about of earth's water is available to be consumed by humans or used for agriculture. animals cannot consume nitrates directly. they must obtain nitrogen by plants or other herbivore animals. from forest fires and volcanoes, as well as the decay of dead plants and animals, causes a type of pollution from carbon oxides. one of the primary reasons that freshwater is unevenly distributed around the world is due to variation in amounts of

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Cyanobacteria produce from nitrogen gas as part of the nitrogen cycle. only about of earth's water...
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