Biogas is a mixture of
(a) methane, hydrogen, carbon dioxide and hydrogen sulphide
(b) methane, oxygen, carbon dioxide and hydrogen sulphide
(c) methane, oxygen, nitrogen and hydrogen sulphide
(d) hydrogen, oxygen, nitrogen and hydrogen sulphide
Answers
Answered by
3
Answer:
c is the right answer
Explanation:
hi have a good day
Answered by
2
Answer:
i think answer is option d
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