Page 1 :
Uses of water, → Farmers need lot of water to irrigate the, crop, factories need lot of water to produce, the items required, water use in our daily life, activity like bathing, drinking, washing and, cooking etc., Sources of water, Rain water, → It is a prime source of water., → Physically rain water is clear, sparkling and, bright., → Bacteriologically rain water is free from, pathogenic agents., → Chemically it is very soft containing traces, of dissolved solids., Scanned by TapScanner

Page 2 :
Surface water, → It is originate from rain water. It is main, source of water supply in many areas., → It is prone to contamination from animal, and human sources., → It needs to purify before use., → Example: lakes, river, tanks etc., Ground water, → It is the cheapest and most practical, means of providing water to small, communities., → It is superior to surface water because the, ground itself provides an effective filtering, medium., Scanned by TapScanner