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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