Microbiology of Waste Water
Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate

water that are anoxic
water rich in phosphate wastes but poor in organic carbon
None of these
water rich in organic carbon wastes but poor in phosphate

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Microbiology of Waste Water
Biomass

is unlikely to be a major source of energy globally
provides the U.S. with about 50% of its energy
offers the consumer high quality energy with low environmental impact
consists largely of wood, animal, and human waste

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