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