What gases are produced in anaerobic sludge digesters?

Options

(a) Methane and CO2
(b) Methane, Hydrogen Sulphide and CO2
(c) Methane, Hydrogen Sulphide and C0
(d) Hydrogen Sulphide and C0 2

Correct Answer:

Methane, Hydrogen Sulphide and CO2

Explanation:

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