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| Water evaporates directly from plants as they breathe in a process called ____________________. |
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| ____________________ ____________________ is the portion of a stream's load transported along its bottom. |
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| Ions dissolved in water are called ____________________ ____________________. |
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| Low-gradient streams flow in a series of bends called ____________________. |
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| A/An ____________________ ____________________ is a mound of sediment that accumulates on the inside of a meander. |
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| ____________________ is a measure of the speed at which water can travel through porous soil or bedrock. |
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| Excessive removal of ground water can cause ____________________, the sinking or settling of the Earth's surface. |
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| ____ percent of the Earth's surface water is freshwater (found in streams, lakes, wetlands, ground-water reservoirs, and ice). |
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| The region ultimately drained by a single river is a ____. |
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| ____ is the proportional volume of rock or soil that consists of open spaces. |
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| During a flood, a stream overflows its banks, and water covers the adjacent ____. |
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| Caverns usually form in ____. |
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| Most of the surface freshwater (in liquid or frozen form) is contained in: |
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| A stream's erosional strength is: |
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Definition
| greatest in a fast flowing stream |
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| Domestic water use accounts for about ____ percent of all water used in the United States. |
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| A/An ____ pollutant can be consumed and destroyed by organisms. |
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| The largest use of water in the United States is for: |
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| If desert or semidesert soils are irrigated for long periods of time: |
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Definition
| salt accumulates and destroys fertility |
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| An example of nonpoint source of pollution is: |
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Definition
| fertilizer spread over a farmers field |
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| T/F. A stream erodes its bank most rapidly on the outside of a curve. |
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| T/F. Levees can create conditions that cause much larger floods in the long term. |
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| T/F. The water table does not fluctuate with the seasons. |
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| T/F. Wetlands mitigate floods by absorbing excess water that might otherwise overrun towns and farms. |
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| T/F. Most of the water in the Ogallala Aquifer accumulated during the Pleistocene. |
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