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5 Written questions

5 Matching questions

  1. erosion
  2. impermeable
  3. dissolved exygen
  4. phytoplankton
  5. turbidity
  1. a rock that stops the flow of water
  2. b oxygen dissolved in water
  3. c measure of the concentration of particles suspended in water
  4. d abnormally high concentrations, microscopic plants
  5. e the process by which wind, water, ice or gravity transports soil and sediment from one location to another

5 Multiple choice questions

  1. pollution that comes from a specific site
  2. spring whose water flows from crack in the cap rock over the aquifer
  3. minerals are sometimes deposited at places in a river where the current slows down
  4. fan-shaped mass of material deposited at the mouth of a stream
  5. the downward movement of water through pores and other spaces in soil due to gravity

5 True/False questions

  1. water tableupper surface of underground water; the upper boundary of the zone of saturation


  2. secondary treatmentdirty water is passed through a large screen to catch solid objects, such as paper, rags, and bottle caps


  3. recharge zoneamount of water that a stream or river carries in a given amount of time


  4. permeabilityability of a rock or sediment to let fluids pass through its open spaces, or pores


  5. channelbody of rock or sediment that stores groundwater and allows the flow of groundwater


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