Which of the following factors does not influence the level of the water table?a.pumpingb.time of yearc.pollutiond.none of the above
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 best describes the availability of freshwater on Earth?a.Less than 1% of Earth’s water is liquid freshwater.b.More than two thirds of Earth’s freshwater is stored in glaciers and icecaps.c.99% of liquid freshwater on Earth is stored as groundwater.d.All of the above.
Which of the following does not represent an impact of recreational activity on springs?a.destruction of native vegetationb.wildlife disruptionc.decreased soil erosiond.water pollution
The Working for Water program helps conserve water by employing individuals to remove invasive plants.
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