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
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
1
Hydrogen, Oxygen, Sodium
2
Carbon, Hydrogen, Nitrogen
3
Oxygen, Calcium, Phosphorus
4
More than one of the above
5
None of the above