Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Renewable energy is generated from
1
Natural resources
2
Man-made resources
3
Both natural and man-made resources
4
More than one of the above
5
None of the above