Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Geomorphology
The upper part of the mantle upon which the crust of the Earth floats is known as
1
Asthenosphere
2
Mesosphere
3
Hydrosphere
4
More than one of the above
5
None of the above