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ChantelleVu
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Which of the following units is appropriate for measureing the veolcity of groundwater?
d. cm per day
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Why does groundwater flow slower than streams?
c. Streams are unimpeded, but ground water must seep through pores
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Porosity is
c. the percentage of bedrock that is open space
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what value is a reasonable porosity for gravel?
c. 20 percent
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The porosity of clay may reach as high as
a. 50 percent
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Which factor has the greatest impact on permeability
b. pore size
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What force keeps water in the soil after precipitaition?
c. molecular attraction
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Soil contains large amount of
b. clay
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What force puuls water out of the soil into the ground water?
d. gravity
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Water moves through the saturated zone via
e. percolation
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Water may enter a lake from below, opposing gravity, if
c. the water flowed from high elevation in the saturated zone
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Water moves through the saturated zone in
b. narrow, parallel paths
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The water table intersects the Earth's surface at
d. springs
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Particles of clay have a diameter of
a. 0.005mm
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Most ground water enters a stream
b. from beneath
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