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groundwater
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aquifer
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Vocab 11/9

QuestionAnswer
groundwater the water that is beneath Earth’s surface
aquifer a body of rock or sediment that stores groundwater and allows the flow of groundwater
porosity the percentage of the total volume of a rock or sediment that consists of open spaces
permeability the ability of a rock or sediment to let fluids pass through its open spaces, or pores
zone of saturation the layer of an aquifer in which the pore space is completely filled with water
water table the upper surface of underground water; the upper boundary of the zone of saturation
zone of aeration the zone that lies between the water table and Earth’s surface; most pore spaces contain air (some moisture)
capillary fringe the bottom region of the zone of aeration; water is drawn up through the pore spaces in this region from the water table by capillary action
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