Other questions in this quiz

2. What does a flocculant do to the clay soils?

  • It causes the charges to attract to one another allowing it to settle
  • It causes the water to become clearer because it repels the clay soils
  • It neutralises the charge of the clay soils making them unable to stay afloat
  • It causes them to clump together

3. What is 'grey water'?

  • Water which is of good quality and used for various purposes
  • Water that is not used for anything except industrial use
  • Water that is used for domestic use such as laundry and bathing
  • Water that is not used for anything

4. What is throughflow?

  • The sideways movement of water in the ground
  • The movement of water through rocks
  • The movement of water through the soil
  • The movement of water as it travels through a catchment area

5. What is the risk of over-abstracting water from an aquifer?

  • Changes in surface hydrology - supply of water to rivers & lakes
  • All of them
  • Salt-water Incursion
  • Subsidence

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