Geography: Water Resources
Across
- 1. Buying water from other countries
- 3. Converting sea water into fresh water by removing salt from the sea water
- 4. Impurities are removed from waste water through a treatment process
- 5. Forcing water through a special membrane to remove very small particles from water, eg. bacteria and dissolved salts
- 6. Filtering water to remove larger sized particles and bacteria from the water
- 8. Knowledge, skills and tools that people use to meet their needs
- 9. Careful use of resources to ensure that wastage is kept to the minimum
- 10. Being in a weak or unfavourable position
Down
- 1. An agreement between two or more countries
- 2. Filtration of water where it is boiled and the water vapour is collected and condensed into fresh water
- 4. When there is a shortage of water to meet the needs of people
- 7. An area over which rain falls and is collected