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Author Question: This causes extremely high levels of toxic chemicals in fish-eating birds. A) de (Read 891 times)

penza

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on: Nov 3, 2013
This causes extremely high levels of toxic chemicals in fish-eating birds.
A) depletion of ozone layer
B) acid precipitation
C) biological magnification
D) greenhouse effect
E) eutrophication


plus1

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Reply #1 on: Nov 3, 2013
I recall doing this last year, it's C, bye bye!


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penza

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Reply #2 on: Sep 16, 2014
Thanks so much!


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