The activated sludge from sewage treatment is used as a biofertiliser directly on agricultural fields.
- ATrue
- BFalse
- CCannot be determined
- DPartially true
✓ Correct answer: B
Want the full step-by-step reasoning?
NewNcert › Biology › Microbes in Human Welfare
Want the full step-by-step reasoning?
Question ID #388923 · NewNcert