34. Which of the following is used as manure:
(a). Sewage
(b). Sludge
(C). Sewerage
(d).Plastic garbage
Answers
Answered by
1
Sludge is the answer. it is actually human waste
Answered by
0
Answer:
b) Sludge can be used as manure by drying it . It can be applied to the agricultural as a fertilizer too.
Similar questions