Answer to Question #207072 in Other for Sdozozo

Question

Which of the following statements about dissolved oxygen in water is false?   (1) Thermal pollution reduces dissolved oxygen content. (2) Eutrophication reduces dissolved oxygen content. (3) Biochemical oxygen demand is a measure of how much oxygen is used by micro-organisms in breaking down organic matter. (4) The lower the dissolved oxygen content of a river, the better for fish and aquatic plant life

Answer 1

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