Lagoons may be characterized as
...Lagoons may be characterized as
anaerobic
facultative
aerated
all of these
Correct answer is D
No explanation has been provided for this answer.
The enzyme β-galactosidase is also known as ...
The activated sludge process consists of returning a portion of the clarifier ...
Chymosin hydrolyses the bond between ...
Application of quaternary ammonium compounds as sanitizing agents tends to ...
Calgon is used for removal of ...