Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Soils
In which process the earthworms are used to convert the organic waste into manure?
1
Vermicomposting
2
Aerobic composting
3
Anaerobic composting
4
More than one of the above
5
None of the above