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5 Written questions

5 Matching questions

  1. point-source pollution
  2. dam
  3. phytoplankton
  4. sinkhole
  5. artesian spring
  1. a pollution that comes from a specific site
  2. b spring whose water flows from crack in the cap rock over the aquifer
  3. c when roof of the cave collapse, which leaves a circular depression
  4. d one type of barrier that can be built to help control flooding
  5. e abnormally high concentrations, microscopic plants

5 Multiple choice questions

  1. buildup of sediment deposited along the channel of a river
  2. takes place when water vapor cools and changes into water droplets that form clouds in the atomosphere. water loses energy during condensation
  3. the downward movement of water through pores and other spaces in soil due to gravity
  4. pollution that comes from many sources rather than from a single, specific site
  5. dirty water is passed through a large screen to catch solid objects, such as paper, rags, and bottle caps

5 True/False questions

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

          

  2. alluvial fanfan-shaped mass of material deposited by a stream when the slope of the land decreases sharply

          

  3. loadmaterials carried by a stream

          

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

          

  5. impermeableupper surface of underground water; the upper boundary of the zone of saturation