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Home
»
Environment & Ecology
»
Biodiversity
» Question
Biodiversity
Easy Questions
Moderate Questions
Environment & Ecology
Environment
Pollution-1
Biodiversity
Climate Change
Biosphere Reserves of India
Which one of the following is a major constituent of
biogas
?
Carbon dioxide
Methane
Hydrogen
Nitrogen dioxide
Correct Option:
B
Methane
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