Water cycle: The continuous movement of water between Earth's surface and the air changing from linquid to gas bto linquid.
groundwater: Water that seeps into the ground into spaces between bits of rock and soil.
water table: The top of the water-filled spaces in the ground.
aquifer: An underground layer of rock or soil filled with water.
spring: A plance where ground water seep out of the ground.
well: A hole dug below the water table that water seeps into.
reservoir: A storage area for freshwater supplies.
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