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this is terms from the test.. look through the test for the other questions that are not terms.


the 3rd highest percentage of Earth's freshwater following ice sheets and glaciers

water table

a boundary between saturated rock below and unsaturated rock above


controls the ease, or difficulty, of groundwater transmission through a porous material

artesian well

a well in which water rises above the top of the aquifer without pumping


the icicle-like speleothem that grows down from the roof of a cavern

aerated zone

lies above the water table


a saturated, porous, and permeable layer or stratum


the volume of the voids or open space in a rock or unconsolidated material

unconfined water table

boundary between the aerated zone above and the saturated zone below


a hydrothermal vent that periodically or occasionally erupts a column of steam and hot water


a depression produced in a region where soluble rock has been removed by groundwater


the column-like form that grows upward fromt he floor of a cavern

ice sheet

a very large, thick mass of glacial ice flowing outward in all directions from one or more accumulation centers. the largest example is Antarctica


a deep crack in the brittle surface of a glacier


erosional features produced by valley/alpine glaciers


a depositional feature composed of till and only associated with continental glaciation, not with alpine glaciers


a stream valley, deepened by glacial erosion, that floods as sea level rises


wastage of a glacier that occurs when large pieces of ice breaks off into water. this process occurs where a glacier enters the sea

u-shaped valley

an erosional feature specifically produced by alpine glaciation


a smooth, tapering ridge of till; formed and shaped beneath a continental ice sheet

medial moraine

a ridge of till formed when lateral moraines from two coalescing valley glaciers join

kettle holes

depressions created when blocks of ice become lodged in glacial deposits and subsequently melt

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