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connections

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
what percentage of Earth's water is in the ocean   97%  
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the body is approximately   70% water  
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A gallon of gasolines takes approximatley how many gallons of water to produce   70 gallons  
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the largest user of water int he US homes is   toilet flushing  
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to produce a car, how mnay gallons of water are used   100,000 gallons  
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an aqueduct is   a conduit of channel that moves, usually by gravity  
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what is ground water   water beneath the surface of the ground  
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a period of little or no rain is called   a drought  
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the region draining into a river, river system, or other body of water is   a watershed  
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the hydroshere is best defined as   all the water on the surface of the planet  
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an aquifer is   porous, water-bearing layers of gravel or rock below the earth's surgave; reservoirs for groundwater  
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conservation is   the care of natural resourves for future generations  
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total magnification is calculated by   multiplying the magnifications of the eyepieve and the objective lens  
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the correct way to carry a microscope is   with one hand on the base and one on the arm  
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a compound microscope always has   more than one lens  
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when focusing a microscope on medium power   one should use the coarse adjustment knob  
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to estimate the size of a specimen when using the microscope, you need to know   the diameter of the field of view  
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what does EBMUD stand for   East Bay Municiple Unity District  
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Where does the water from EBMUD come from   the Sierra mountains  
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