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MATCHING - In the space provided, write the letter of the term or phrase that best matches the description.______ 1. process of removing salt from salt water______ 2. disease-causing organism______ 3. safe to drink______ 4. method of providing water to plants other than by precipitation______ 5. artificial lake a. desalinationb. potablec. pathogend. reservoire. irrigation MULTIPLE CHOICE - In the space provided, write the letter of the term or phrase that is best. ______ 6. Which of the following activities accounts for the greatest percentage of fresh water used worldwide?a. drinkingb. washingc. manufacturingd. irrigating crops ______ 7. Water treatment involvesa. adding pathogens.b. adding mercury.c. adding chlorine.d. removing fluoride. ______ 8. Water diversion projects may involve the movement of water to dry regions usinga. canals.b. dams.c. reservoirs.d. sprinklers. ______ 9. Which of the following would be the best way for a desert farmer to reduce water loss from evaporation and seepage and thus conserve water?a. dig deeper wellsb. recycle cooling water and wastewaterc. install low-flow toiletsd. install a drip irrigation system ______10. Industrial water use includes which of the following activities?a. irrigationb. power generationc. drinkingd. car washing
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