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6. What are the treatments used for sea water?
- Reverse Osmosis or Distillation
- Distillation or Sterilisation
- Reverse Osmosis and Filtration
- Distillation and Flocculation
7. What is high heat specific capacity?
- It cannot reacha certain temperature
- It is able to retain heat for a long period of time
- It loses and gains temperature slowly
- It can heat up very quickly
8. What kind of rock does a reservoir need?
- Impermeable rock
- Permeable rock
- Hard rock
- Rocks that has high water retention
9. What is throughflow?
- The sideways movement of water in the ground
- The movement of water through the soil
- The movement of water as it travels through a catchment area
- The movement of water through rocks
10. What does a flocculant do to the clay soils?
- It causes the charges to attract to one another allowing it to settle
- It neutralises the charge of the clay soils making them unable to stay afloat
- It causes them to clump together
- It causes the water to become clearer because it repels the clay soils