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The Water Cycle

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The Water Cycle
The Water Cycle * Name three important needs of water.
a. Almost all of the body's living cells need and depend on water to perform their functions.
b. Water carries nutritive elements to the cells and carries away waste materials and salts to the kidneys.
c. Water serves as an important constituent of lubricants. * How is water distributed through the biosphere
About 97 percent of all water is in the oceans. Three percent of all Earth's water that is freshwater. The majority, about 69 percent, is locked up in glaciers and icecaps, mainly in Greenland and Antarctica. You might be surprised that of the remaining freshwater, almost all of it is below your feet, as ground water. * What draws water back to the earth?
When cloud particles become too heavy to remain suspended in the air, they fall to the earth as precipitation. Precipitation occurs in a variety of forms; hail, rain, freezing rain, sleet or snow. * What is transpiration?
Transpiration is the process of water movement through a plant and its evaporation from aerial parts especially from leaves but also from stems and flowers. * What determines which plants grow where?
His climate of a region determines what types of plants can survive in that region. Sunlight, temperature and precipitation all play a whole in which plants will grow where. * What is aquifer? a body of saturated rock through which water can easily move. Aquifers must be both permeable and porous and include such rock types as sandstone, conglomerate, fractured limestone and unconsolidated sand and

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