High levels of _____________are associated with high-quality water, this water supports aquatic flora and fauna, domestic water supply, and quality recreational activities.

Question

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Dissolved oxygen is essential for aquatic organisms and a high level of dissolved oxygen indicates that the water is well-oxygenated and supports aquatic flora and fauna. In addition, this high-quality water is also suitable for domestic water supply and quality recreational activities. Conventional pollutants, biochemical oxygen demand, and degradable pollutants are all indicators of poor water quality.

High Levels of _____________Are Associated with High-Quality Water, This Water