A. Flourish in the presence of free oxygen
B. Consume organic matter as their food
C. Oxidise organic matter in sewage
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020
A. Flourish in the presence of free oxygen
B. Consume organic matter as their food
C. Oxidise organic matter in sewage
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020