martes, 28 de septiembre de 2010

Vocabulary #16

  1. desalination: getting fresh water from seawater
  2. water cycle: the continuous movement of water between Earth's surface and the air, changing from liquid to gas to liquid.
  3. groundwater: water thet seeps into the ground into spaces between bits of rock and soil.
  4. water table: the top of the water-filled spaces in the ground
  5. aquifer: an underground layer of rock or soil filled with water.
  6. spring: a place where groundwater seeps out of the ground.
  7. well: a hole dug below the water table that water seeps into.
  8. reservoir: a storage area for freshwater supplies.

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