The production of biogas from the fermentation of waste materials is an example of? By: Sunday|Published on: Dec 11|Categories: Chemistry WAEC| 0 comments A. combustion B. incineration C. refining D. recycling Correct Answer: Option D D. recycling Users Also Read These:The cost of raw materials available for production is?Materials used for further production of goods and…The process of building up country’s capacity to…Waste plastics accumulate in the soil and pollute…A farm produce which does not require fermentation…SEE ALSO It can be concluded that gastric juice?