Question

How is large population responsible for water scarcity

Answer 1

Large population is responsible for water scarcity as for fulfilling their demands of food and other necessities much water is used leading to it's scarcity

Answer 2

a large no of people waste water and sometimes there thinkings are not practical they encroach the driver banks and they do not want that the river banks should be be open to all....
they keep the taps open when not necessary...