What is the highest level of dissolved oxygen in water?
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Explanation:
As dissolved oxygen levels in water drop below 5.0 mg/l, aquatic life is put under stress. The lower the concentration, the greater the stress. Oxygen levels that remain below 1-2 mg/l for a few hours can result in large fish kills.
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Concept Introduction:-
It is a branch of science which concerned with their substances of which matter is also composed with the investigation of their properties and also reactions, and the use of such reactions where it form new substances.
Explanation:-
We have been given a statement.
We have to find the level.
Final Answer:-
The final answer is 1 mg/L to more than 20 mg/L
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