

MCQOPTIONS
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1. |
Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate |
A. | water rich in organic carbon wastes but poor in phosphate |
B. | water that are anoxic |
C. | water rich in phosphate wastes but poor in organic carbon |
D. | none of the above |
Answer» D. none of the above | |