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Home Q & A Board Biology-Related Homework Help General Biology
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Dugg Dugg
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Posts: 559
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6 years ago
You are assigned to write the report to the Environment Canada to help them decide what level of 17ß-estradiol to permit in sewage output. You do not want to make the level any lower than necessary, because it requires substantial additional money for the extra treatment of sewage. What level of 17ß-estradiol would you suggest is safe to prevent feminization of fish?
A) 2.5 ng/l
B) 5 ng/l
C) 12.5 ng/l
D) 25 ng/l
E) 100 ng/l
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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#1
6 years ago
D
Explanation:  D) At 25 ng/l there was no statistically significant effect. The available data do not tell us at what level between 25 and 100 ng/l the effect becomes significant.
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