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The layer of an aquifer in which the pore space is completely filled with water is called the zone of a.aeration b.saturation c.recharge d.porosity A natural flow of groundwater to Earth’s surface is called a(n) a.well b.caprock c.spring d.cone of depression Open spaces in rock must be connected in order for the rock to be a.packed b.porous c.fractured d.permeable Carbonic acid breaks down minerals in rock in a process called a.sorting b.capillary action c.saturation d.chemical weathering The amount of uniformity in the size of a rock or sediment particles is called a.packing b.sorting c.permeability d.cracking Which of the following does NOT affect the depth of the water table below the ground? a.surface topography b.permeability of the aquifer c.pollution d.rainfall The area where water from the surface can move through permeable rock to reach an aquifer is called a a.recharge zone b.water table c.well d.gradient Which of the following does NOT affect the flow of groundwater through an aquifer? a.porosity b.gradient c.chemical weathering d.permeability What quality distinguishes an ordinary well from an artesian well? a.water flows freely from an ordinary well. b. water is pressurized in an ordinary well. c. Water must be pumped from an ordinary well. d. Water comes from rainfall in an ordinary well. Which of the following sediments has the highest porosity? a.poorly sorted sediment b. tightly packed sediment c. coarse-grained sediment d. fine-grained sediment Which of the following statements best describes the relationship between porosity and permeability? a.porosity and permeability are not related b. porosity describes how water flows through permeable rock c. permeability is the ease with which water passes through porous rock d. porous rock is always permeable. a body of rock that stores groundwater and allows it to flow a.Aquifer b.Artesian formation c. Sinkhole d. Cone of depression the ability of rock to let fluids pass through its pores a.Porosity b.Permeability c. Hard water d. Soft water water rich in dissolved minerals a. Porosity b. Permeability c. Hard water d. Soft water a circular depression that forms on the surface when rock dissolves or a cavern or mine collapses a. Aquifer b. Artesian formation c. Sinkhole d. Cone of depression a sloping layer of permeable rock sandwiched between 2 layers of impermeable rock a. aquifer b. artesian formation c. sinkhole d. cavern