Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) 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