Q. Oxidation Ponds involve
A. chemical removal of pollutants
B. mechanical screening of pollutants
C. biological reduction of organic matter
D. none of the above
Answer: biological reduction of organic matter
We will be happy to hear your thoughts
A. chemical removal of pollutants
B. mechanical screening of pollutants
C. biological reduction of organic matter
D. none of the above
Answer: biological reduction of organic matter