A. it must have a low ph
B. the water must be turbid
C. it must have a low concentration of dissolved salts
D. the level of dissolved oxygen must be low
Correct Answer: Option C
C. it must have a low concentration of dissolved salts
A. it must have a low ph
B. the water must be turbid
C. it must have a low concentration of dissolved salts
D. the level of dissolved oxygen must be low
Correct Answer: Option C
C. it must have a low concentration of dissolved salts
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