7.1 Why Is Clean Water Important to Us?
Across
- 2. Rain falls on networks of drains, river and canals which will then be channelled here.
- 5. A method used to remove salt from seawater and turns it into drinking water.
- 7. A process which green plants use water, sunlight and carbon dioxide to make food.
- 10. A method to collcet water vapour from seawater in desalination.
- 11. not drinking enough of water may lead to ____.
Down
- 1. Produced by recycling used water and is used mainly for industrial purposes.
- 3. Water is found in our ____ to transport substances in our circulatory system.
- 4. The method in which treated water is passed through membranes with small holes to filter out larger solids and bacteria.
- 6. ___ may reduce our supply of drinking water and increase the cost of producing drinking water.
- 8. One of the Four National Taps are ___ water.
- 9. Supports life processes.