state gov UPSSSC Junior Assistant Mock Test Series 2025 (New) General Knowledge Geography (World Geography) Geomorphology
Which layer of the Earth extends to a depth of about 2900 km?
- Crust
- Mantle
- Core
Select the correct answer using the codes below.
1
1 only
2
2 only
3
3 only
4
1 and 3
5
None of the above