Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Climatology
What happens in the ionosphere?
1
Meteors get burnt
2
Airplanes fly
3
Radiowaves are reflected
4
More than one of the above
5
None of the above