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| unending circulation of Earth's water supply |
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| Balance in the water cycle means that |
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| the average annual precipitation over Earth equals the amount of water that evaporates |
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| Plants release water into the atmosphere through a process called |
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| If you were to examine the profile of a typical stream you would probably find that the gradient is |
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| What is the ultimate base level of a stream ? |
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| The elevation down to which a river has the ability to erode its bed everywhere along its course. |
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| Which of the following does NOT erode a stream channel ? |
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It is a ridges of sediment that accumulate along the margins of river channels on floodplains.
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| One traditional flood control method has been to attempt to keep the stream's flow within its channel by creating |
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| What is a drainage basin ? |
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| A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean. |
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| Groundwater is found underground in the zone of ? |
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| Permeable rock layers or sediments that transmit groundwater freely are called ? |
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| The percentage of the total volume of rock or sediment that consists of pore spaces ? |
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