3.
is released during the
treatment of sludge.
(a) Methane
(b) Oxygen
(C) Nitrogen
(d) Biogas
Answers
Answered by
0
Answer:
a.methane
Explanation:
is write answer
Answered by
1
Answer:
Methane is the right answer.
Hope it helps u.
Please mark me as the brainliest.
Similar questions
Math,
4 months ago
Math,
4 months ago
English,
4 months ago
English,
9 months ago
Science,
9 months ago
Social Sciences,
1 year ago
Social Sciences,
1 year ago