TeachMeFinance.com - explain Dissolved oxygen (DO)
Dissolved oxygen (DO) The term 'Dissolved oxygen (DO)' as it applies to the area of reclamation can be defined as ' Amount of free oxygen found in water; perhaps the most commonly employed measurement of water quality. Low DO levels adversely affect fish and other aquatic life. The ideal dissolved oxygen for fish life is between 7 and 9 mg/L; most fish cannot survive when the DO level falls below 3 mg/L'.
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