All of the following are true, according to the passage, EXCEPT _____.
A. Pfiesteria caused the death of about one billion fish in the late 1990s
B. animal and chemical waste from farmlands, livestock and mining operations may contribute to the expansion of Pfiesteria
C. Pfiesteria was not commonly noticed despite scientific findings
D. the toxic substances emitted by Pfiesteria have a similar effect on human and fish skins
Giải bởi Vietjack
Đáp án A
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