martes, 28 de septiembre de 2010


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.Grounwater: water that seeps 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 suplies.

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