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After ice sheets and glaciers, ________ contain(s) the next highest percentage of the Earth's freshwater.
Which common, rock-forming mineral or mineral group is most readily dissolved by groundwater?
A stream is said to be perennial and effluent when ________.
the local water table is above the channel bottom year round
________ controls the ease (or difficulty) of groundwater transmission through a porous material.
A perched water table develops when ________.
a horizontal aquitard above the regional water table lies below an aquifer
An artesian well is one in which ________.
water rises above the top of the aquifer without any pumping
________ are specific features of karst topography.
Streams flowing into depressions and continuing underground
The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?
What force pushes groundwater from pore to pore below the water table?
pressure gradient or hydraulic gradient
Which one of the following concerning stalactites and stalagmites is not true?
Stalagmites form on the floors of caves below the water table.
The term karst topography was first used in ________.
the Republic of Slovenia, a province of the former Yugoslavia
An unconfined water table is the ________.
boundary between the aerated zone above and saturated zone below
Which of the following best describes how geysers erupt?
With a slight reduction in pressure, water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent.
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