Groundwater Answers

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

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

Which of the following factors does not influence the level of the water table?a.pumpingb.time of yearc.pollutiond.none of the above

The use of wells to obtain drinking water is a modern convenience.

Groundwater is only found below the water table.

The location of the water table is subject to change.

What is a possible long-term consequence of groundwater overdraft?a.increased vegetationb.unproductive wellsc.polluted groundwaterd.higher water tables

How is groundwater replenished?a.precipitationb.streamsc.riversd.all of the above

In the preindustrial era, settlements were more likely to be near sources of surface water than in the industrial era.

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.