Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment
The resources of water on the earth are:
1
Sea/Ocean
2
Snow on mountain and near poles
3
Ocean, snow and rain, underground water
4
More than one of the above
5
None of the above