A. human waste
B. wet cow dung
C. wet livestock waste
D. all above
Month: July 2018
A. high CO content in flue gases at exit
B. high CO2 content in flue gases at exit
C. high temperature of flue gases
D. the smoking exhaust from chimney
A. 21%
B. 23%
C. 77%
D. 79%
A. 18%
B. 23%
C. 77%
D. 79%
A. solar, wind and biomass
B. fossil fuels, hydropower and nuclear energy
C. wood, animal wastes and agriculture wastes
D. none of the above
