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As Per INC Syllabus :- Sources and characteristics of safe wholesome water type Uses of water. Rain water harvesting Water pollution Purification of natural and acquired impurities Water borne diseases plant, sewage Water purification-small and large scale ♲ Sources and characteristics of safe and wholesome water ☔ Water Water is the basic need of life without which life is impossible. Water is the largest component of the human body. Optimal