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Which of the following is a tool that is best used to measure the oxygen in water?​
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Which of the following is a tool that is best used to measure the oxygen in water?​

User Bristweb
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Answer:

DO is measured using a dissolved oxygen meter (or DO meter). The best method is to take the measurement in the field at the same time each day, because DO concentrations can vary throughout a 24 hour period.

Step-by-step explanation:

User Mark Snidovich
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