Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Geomorphology
Asthenosphere is:
1
Lower portion of Mantle
2
Upper portion of Mantle
3
Lower portion of Crust
4
More than one of the above
5
None of the above