Water Resources

2. ___ supply of fresh water is reason for water constraint
6. being in a weak or unfavourable position
7. The problem of water shortage
10. The process of forcing water through a special membrane to remove very small particles from water
12. ___ is important for life on Earth
13. is produced when impurities are removed from waste water through a treatment process
15. The process of water filtration used in desalination where water is boiled and the water vapour is collected and condensed into fresh water
16. The process of converting sea water into fresh water by removing salt from the sea water
17. ___ growth has caused the demand for water to increase more than six times over the past 80 years.
18. The knowledge, skills and tools that people use to meet their needs
19. Much of the world's water supply is also used in industries and ___

1. Water ___ is one of the reasons why some countries experience a more serious problem of water constraint that others.
3. The growth of ___ contributes to a rise in water consumption.
4. The careful use of resources to ensure that wastage is kept to a minimum
5. The process of filtering water to remove large sized particles and bacteria from the water
8. An ____ agreement on water is an arrangement between two or more countries regarding the supply and use of water resources over a specific period of time
9. ___ the price of water is one of the responses to Rising Demand for Water
11. ___ in lifestyle have increased the demand for water
14. an area over which rain falls and is collected
20. ___ distribution of fresh water is one of the reasons why some countries experience a more serious problem of water constraint that others.