Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Geomorphology
In which two layers of the Earth does the “The Gutenberg Discontinuity” lies?
1
The crust and the mantle
2
The mantle and the core
3
The upper and lower mantle
4
More than one of the above
5
None of the above