Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Geomorphology
Who gave the theory of Seafloor Spreading?
1
Arthur Holmes
2
Airy and Pratt
3
Harry Hess
4
More than one of the above
5
None of the above