What are the gases produced by landfills primarily comprised of?

1.	What are the gases produced by landfills primarily comprised of?
A.	Carbon monoxide and hydrogen sulphide.
B.	Methane and carbondioxide
C.	Sulphur dioxide and nitrogendioxide
D.	Ethane and oxygen.
Answer» C. Sulphur dioxide and nitrogendioxide

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What are the gases produced by landfills primarily comprised of?

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