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chap1 water on earth vacab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
artesian well   a well in which water rises because of pressure within the aquifer  
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aquifer   an underground layer of sediment or rock that holds water  
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water table   the top of the saturated zone  
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saturated zone   the area of permeable rock or soil in which all the cracks and pores are totally filled with water  
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impermeable   a characteristic of materials through which water does not easily pass through  
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precipitation   water that falls on to earth as rail, snow, hail, or sleet  
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water cycle   the continuous process by which water moves from Earth's surface to the atmosphere and back  
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ground water   water that fills the cracks and spaces in under ground soil and rock layers  
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habitat   the place where an organism lives  
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photosynthesis   the process by which plants use water and carbon dioxide and energy from the sun to make their own food  
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transpiration   the process by which plants give off water vapor from their leaves  
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most of earths water?   97% salt 3% fresh  
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