Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Environmental Studies Hydrosphere Water sources
The water layer present in between the layers of rock under the earth is called as
1
Pervious rock
2
Aquifer
3
Water level
4
More than one of the above
5
None of the above