Calculate the oxygen ppm concentration

  1. Minimum oxygen concentration should be 7.6 mg/l, concentration in raw water is 0 mg/l and you can assume a saturation
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    2. Naifaru asked by Naifaru
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  2. Minimum oxygen concentration should be 7.6 mg/l, concentration in raw water is 0 mg/l and you can assume a saturation
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    2. IJ asked by IJ
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  3. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased oxygen concentration
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  4. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point) Responses decreased oxygen concentration
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  5. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased oxygen concentration
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    2. josie asked by josie
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  6. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
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  7. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
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  8. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
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  9. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased hydrogen concentration
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  10. How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
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