Question Detail
Question
In the context of wastewater treatment, what significant methane-rich product do microbes produce?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 8, under 'Wastewater & Biogas', states 'Microbes treat sewage (activated sludge) and produce methane-rich biogas.'
Hint
The specific methane-rich product is mentioned alongside wastewater treatment on page 8.