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Pramila Pramila
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6 years ago
The fish in the lake at the local park are dying. A professor from the local university comes to investigate. First, she measures the dissolved oxygen. She wants to check for ________.
A) presence of heavy metals
B) presence of bacteria
C) evidence of eutrophication
D) aquatic biodiversity
E) influence of acid precipitation
Textbook 
Environment: The Science Behind the Stories, Canadian Edition

Environment: The Science Behind the Stories, Canadian Edition


Edition: 3rd
Authors:
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6 years ago
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