Which of these water sources do not contain saltwater?
Oceans
Saltwater lakes
Rivers
Seas
The ultimate source of all water on the earth is
(a) oceans and seas
(b) spring and wells
(c) rivers and lakes
(d) rain
Oceans and seas contain saltwater.
If we keep using water from seas, oceans, rivers, lakes will the water ever get finished?
Akshit was very thirsty and went to draw water from his water purifier. But he found that the water tank was empty and needed to be refilled. Now, Akshit is wondering how come the water in rivers, lakes, seas and oceans never get over. Can you tell him why the water in these sources never gets over? [3 MARKS]