Physics, 17.04.2020 23:47 Lenaaa2019
The BOD measurement of a liter of healthy water was found to be 20mg. The BOD measurement of a liter of more polluted water was 120 mg. Which of the following statements is correct?
A) The healthy water produced 6 times as much oxygen as the polluted water
B) The polluted water produced water produced 6 times as much oxygen as the healthy water
C) The healthy water consumed 6 times as much oxygen as the polluted water
D) The polluted water consumed 6 times as much oxygen as the healthy
E) None of these answers are correct
Answers: 2
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The BOD measurement of a liter of healthy water was found to be 20mg. The BOD measurement of a liter...
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