Sewage water consists of water and solids in the following percentage___________________?
Correct answer: A. 99 & 1
- A. 99 & 1
- B. 90 & 10
- C. 80 & 20
- D. None of the above
Explanation
Domestic sewage is approximately 99% water and 1% dissolved and suspended solids. Although the solids fraction is small, it contains most of the organic matter and pollutants.
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