What is the source of water for wells, tube wells, springs and many rivers?
The ultimate source of all water on the earth is
(a) oceans and seas
(b) spring and wells
(c) rivers and lakes
(d) rain
Question 25
Fill in the blanks in the following statements using words given in the box A very __ number of our people defecate in the open. It may cause __ pollution and soil pollution. Both the surface water and __ water get polluted. __ water is the source for wells, tube wells and __. Thus, it becomes the most common route for __ borne diseases like __, dysentery, etc.
Question 13
What is the source of water in each of the following ? (a) Wells (b) Ground (c) Atmosphere
The source of water for wells is