temperature
altitude from the sea level
rotation of earth
soil erosion
3475 km
3250 km
3500 km
3258 km
8 metres to 30 metres
9 metres to 30 metres
10 metres to 30 metres
None of the above
Kanpur
Allahabad
Gaya
Varanasi
0.25 gm
0.50 gm
2.50 gm
3.5 gm