Question
Biology Question on Microbes in human welfare
What gases are produced in anaerobic sludge digesters?
A
Methane, hydrogen sulphide and CO2
B
Methane, hydrogen sulphide and O2
C
Hydrogen sulphide and CO2
D
Methane and CO2 only
Answer
Methane, hydrogen sulphide and CO2
Explanation
Solution
The correct option (A): Methane, hydrogen sulphide and CO2.