Question

in spite of three fourth of earth's surface being covered with water,not only scarcity of water is a major problem,the poor quality of water is worrying'.explain

Answer 1

Answer:

not only scarcity of water is a major problem the poor quality of water is also worrying both the surface water and groundwater have numerous impurities the former is likely to contain harmful organisms too it is estimated that 80% of all diseases in developing countries happen due to contaminated water