ComparativeHardQuestion 14048
Question
Which option best contrasts sewage microbes and food-fermentation microbes?
- ABoth are beneficial, but one cleans waste while the other transforms foodCorrect
- BOne is always harmful and one is always a virus
- CNeither has industrial value
- DBoth only fix nitrogen
Correct answer
Both are beneficial, but one cleans waste while the other transforms food
Explanation
The chapter emphasizes that microbes can serve different useful human purposes.