Fish need about 5 ppm oxygen dissolved in water to survive. Will water with 5 mg oxygen per
1 answer:
5mg in liter is 5 ppm
Explanation: 1 ppm is one part per million.
1 ppm is 1 mg is one part of million from 1 kg = 1000 000 mg
1 litre water is 1. Kg.
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