engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 Environmental Engineering Solid Waste Management
Which of the following pollutant gases is produced due to anaerobic decomposition of organic matter in biological waste product?
1
Carbon-di-oxide (CO2)
2
Sulphur-di-oxide (SO2)
3
Carbon-mono-oxide (CO)
4
Ethane (C2H6)