Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Conservation efforts: India and World
The three pillars of sustainable development are:
1
Social, Environmental and Equality
2
Social, Environmental and Economic
3
Cultural, Environmental and Equality
4
More than one of the above
5
None of the above