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| The Natural Flow of Groundwater that exists when the water table intersects the ground surface is called a(n) |
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| This term is used to describe an impermearble layer that hinders or prevents the movement of groundwater. |
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| In the US, more groundwater is used for this purpose than any other. |
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| Which of the following represents the greatest volume of water? |
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| A(n) _________ is created by the lowering of the water table surrounding as well. |
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| About what percentage of Earth's water is groundwater? |
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| This is a measure of the amount of groundwater that can be stored by rock or sediment. |
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| A measure of a material's ability to transmit groundwater through interconnected pore spaces is known as its |
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| This term refers to rock strata or sediments that readily transmit groundwater. |
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| The broad deposit of stratified drift that is deposited beyond teh end moraine of an ice sheet is a (an) |
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Term
| The outer limit of a glacier's zone of accumulation is defined by the |
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Term
| As a glacier moves down a valley, the ice in the center moves ______ tan teh ice along the sides |
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Term
| Which one of the following regions has NOT been modified by glacial erosion and/ or deposition? |
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Term
| Currently glaciers cover about ______ percent of Earth's land area. |
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Term
| As ice sheets get larger, sea level _______. |
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| When the front of a flacier is retreating ,the ice within the glacier __________________. |
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Definition
| continues to flow toward the outer maring of the glacier. |
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Term
| During the ice age, ice sheets covered ____ times more land area than present day ice sheets. |
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Term
| The largest ice sheet on Earth today covers ____________. |
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Term
| Alpine glaciers are also called _____________. |
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| As the front of a glacier is retreating, a layer of unsorted glacial sediment (till) known as a (an) _______ is deposited. |
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Term
| When ice accumulation exceeds ice wastage, the front of a glacier will _______. |
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Term
| Which one of the following statements about deserts is accurate? |
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Definition
| Infrequent desert rains are often heavy. |
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Term
| Rainshadow deserts occur on the _________ sides of mountains. |
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Term
| Sinking air _________ and ______. |
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| Steppe climates can also be described as _________. |
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TRUE OR FALSE
Usually sand dunes cover 50 percent or more of desert surfaces. |
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| Desert streams are usually dry and carry water only after periods of rain. Such streams are said to be _________. |
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Term
| Approximately ____ percent of the world's land area is characterized by dry climates. |
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| Low-latitude subtropical deserts are the result of _______ air associated with the ________ pressure zones located at about 30 degrees north and south latitudes. |
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Term
| Climatologists define dry climates as those in which annual precipitation is exceeded by potential annual __________. |
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| A surface of tightly packed coarse pebbles on the desert surface is called __________. |
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