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barry barry
wrote...
Posts: 11630
11 years ago
________ is/are formed during primary wastewater treatment.
A) Gray water
B) Sludge
C) Bacteria
D) Inorganic nutrients
E) Toxins
Textbook 
The Environment and You

The Environment and You


Edition: 2nd
Authors:
Read 6676 times
1 Reply

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Replies
wrote...
11 years ago
B) Sludge
Biology - The only science where multiplication and division mean the same thing.
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