Shobana, P.; Keshavaruban, J.; Fernando, P.R.P.; Fernando, Kasun
(Faculty of Computing and Technology, University of Kelaniya, Sri Lanka, 2021)
Plant earth is covered with water than land. Percentage wise it is 97% of oceans and 3% of freshwater. Freshwater is again separated as 79% of ice and glaciers, 29% of groundwater and, 1% surface water. Sri Lanka is a ...