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Chemistry, 07.03.2021 01:00 amay1977

What is an indication that a lake is healthy? A. a pH of 3.5

B. a pH of 10.5

C. low number of bioindicators

D. high number of bioindicators

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What is an indication that a lake is healthy? A. a pH of 3.5

B. a pH of 10.5

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