CBSE Water: A Precious Resource Class 7 Extra Questions
- Nearly 71 percent of the earth is covered by water in the form of oceans, seas, lakes, rivers, ice, ground water and moisture in the air.
- Water that is fit for human consumption is called freshwater. Only 0.006 per cent of the water on the earth is actually available for our use.
- Rainwater and water from other sources, like rivers and ponds, seep through the soil. Please refer Water: A Precious Resource Class 7 Extra Questions for more information.
CBSE Revision Notes 