water resources

3. water is a __________ resource to Singapore . This means we need to manage our water supply well or it may lead a negative impact on our lives.
4. policies and__________ were started to conserve water supply.
5. recycled water has the same meaning as water____________.
8. the process of converting seawater to fresh water.
9. the water brought from other countries to Singapore is known as ______ water.
10. the water is disinfected using _________ radiation.
11. ____________ is being in a weak or unfavourable position.
13. the process of filtering large sized particles and bacteria from water.
15. the advanced tools and gadjets people use to meet their needs.
17. __________ water is produced when impurities are removed from waste water through a treatment process.
19. which year was it when the water consumption was 172 litres per day? Before year 2000 or after?
20. before 1975 , how many reservoirs were there in singapore?

1. ______________is the process of water filtration used in desalination where water is boiled and the water vapour is collected and condensed into fresh water.
2. the careful use of resources to prevent wastage.
6. the process of polluting the water.
7. example of recycled water in Singapore[most common]
12. the _________ area is an area which rain falls and is collected.
14. water ___________ occurs when there is a shortage of water for people.
16. _________ osmosis is the process of forcing water through a special membrane to remove small particles.
18. the water from________ catchment areas are collected in reservoirs.