Science, asked by deepu33singhh, 5 months ago

3.
is released during the
treatment of sludge.
(a) Methane
(b) Oxygen
(C) Nitrogen
(d) Biogas

Answers

Answered by dhanrajpandidhar

0

Answer:

a.methane

Explanation:

is write answer

Answered by ssnk1000

1

Answer:

Methane is the right answer.

Hope it helps u.

Please mark me as the brainliest.

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