In the preindustrial era, settlements were more likely to be near sources of surface water than in the industrial era.
The location of the water table is subject to change.
How does groundwater become polluted?a.Pollutants mixed with water pass through permeable layers above the aquifer.b.Factories dump their waste directly into aquifers.c.Refuse infiltrates the water table when garbage is dumped.d.All of the above
Which of the following factors does not influence the level of the water table?a.pumpingb.time of yearc.pollutiond.none of the above
Why has groundwater use increased?a.the total amount of freshwater has decreasedb.more of the available freshwater is stored in glaciers and icecapsc.governments have banned the use of freshwater in rivers and springsd.the demand for freshwater has increased due to population growth
How did the use of groundwater change from preindustrial times to industrial times?a.Groundwater use decreased from preindustrial times to industrial times.b.Groundwater use increased from preindustrial times to industrial times.c.Groundwater use remained virtually the same from preindustrial to industrial times.d.Groundwater was not used during preindustrial times.
The Karez well system _______.a.was the first known use of wellsb.was a postindustrial systemc.transported groundwater from a distanced.all of the above
Over half of the people in the United States rely on groundwater for drinking water.
Groundwater is only found below the water table.
How is groundwater replenished?a.precipitationb.streamsc.riversd.all of the above
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