To Prevent the Overgrowth of Cyanobacteria and Algae in Water

question 39

Multiple Choice

To prevent the overgrowth of cyanobacteria and algae in water reservoirs, the water is often treated with

• A)iodine.
• B)copper sulfate.
• C)propionic acid.
• D)lactic acid.
• E)antibiotics.

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