Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
The source of energy in the sun is due to:
1
Conversion of uranium to krypton
2
Conversion of carbon into carbon dioxide
3
Conversion of hydrogen to helium
4
More than one of the above
5
None of the above