The production of biogas from the fermentation of waste m...
The production of biogas from the fermentation of waste materials is an example of
combustion
incineration
refining
recycling
Correct answer is D
No explanation has been provided for this answer.
Which of the following metals is commonly alloyed with copper to make brass? ...
Which of the following gases is monoatomic? ...
Which of the following compounds is unsaturated? ...
Argon is used in gas-filled electric lamp because it helps to? ...
The chlorinated alkane often used industrially to remove grease is ...