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water on earth vocab

chap1 water on earth vacab

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