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water on earth vocab
chap1 water on earth vacab
Question | Answer |
---|---|
artesian well | a well in which water rises because of pressure within the aquifer |
aquifer | an underground layer of sediment or rock that holds water |
water table | the top of the saturated zone |
saturated zone | the area of permeable rock or soil in which all the cracks and pores are totally filled with water |
impermeable | a characteristic of materials through which water does not easily pass through |
precipitation | water that falls on to earth as rail, snow, hail, or sleet |
water cycle | the continuous process by which water moves from Earth's surface to the atmosphere and back |
ground water | water that fills the cracks and spaces in under ground soil and rock layers |
habitat | the place where an organism lives |
photosynthesis | the process by which plants use water and carbon dioxide and energy from the sun to make their own food |
transpiration | the process by which plants give off water vapor from their leaves |
most of earths water? | 97% salt 3% fresh |