Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Climatology
Ground that stays frozen for at least two years in a row is called ________.
1
Glacier
2
Permafrost
3
Ice pack
4
More than one of the above
5
None of the above