What are the major water resources?
Major water resources are:
Why is the great plains of India rich in ground water resources?
The great plains of India rich in ground water because water percolates easily in the alluvial soils and hence, the potentiality of the ground water development is high in the great plains of India. The soft sedimentary rocks easily seep surface water. Contrary to it, seepage of water in the hard rocks of south India is very slow.
Mention the three principal usages of water.
The principal usage of water are:
Major source of surface water in India.
Rivers