3.
Which of the following is/are products of wastewater
treatment?
(a) Biogas
(b) Sludge
(c) Both biogas and sludge
(d) Aerator
EN
be rep
Answers
Answered by
0
Answer:
sludge is Answer kdhfjfkfkdkdkfkdkfkf
Answered by
1
Answer:
(c) Both biogas and sludge
Similar questions