Water shortage is the situation when water is not available to meet the demand of everyone.
1.An increase in the population raises the demand for water for various day to day life activities and their survival. (1 Mark)
2.The requirement of water cannot be fulfilled for every individual. Thus, overpopulation is one of the reasons for water shortage. (1 Mark)
3.Scanty rainfall reduces the amount of freshwater water. (1 Mark)
Since the amount of water is limited, overuse of water definitely leads to its shortage.