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7,400 | NDQ_001755 | use and conservation of energy | Of all the energy used in the U.S., industrial uses account for | null | null | Multiple Choice | a. 17 percent., b. 21 percent., c. 28 percent., d. 33 percent. | d |
7,401 | NDQ_001756 | use and conservation of energy | The U.S. depends for energy mainly on | null | null | Multiple Choice | a. wind., b. sunlight., c. fossil fuels., d. flowing water. | c |
7,402 | NDQ_001757 | use and conservation of energy | Fossil fuels include | null | null | Multiple Choice | a. coal., b. petroleum., c. natural gas., d. all of the above | d |
7,403 | NDQ_001758 | use and conservation of energy | The first step in obtaining and using fossil fuels is | null | null | Multiple Choice | a. changing fossil fuels to different forms of energy., b. removing fossil fuels from the ground., c. finding fossil fuel reserves., d. refining fossil fuels. | c |
7,404 | NDQ_001759 | use and conservation of energy | Petroleum is separated into different products by | null | null | Multiple Choice | a. freezing., b. melting., c. cooling., d. heating. | d |
7,405 | NDQ_001760 | use and conservation of energy | Obtaining, refining, and transporting oil require energy. For every 5 barrels of oil we use, the oil required for these purposes is | null | null | Multiple Choice | a. 1 barrel., b. 2 barrels., c. 3 barrels., d. 4 barrels. | a |
7,406 | NDQ_001768 | humans and the water supply | Regarding water use, developing nations use | null | null | Multiple Choice | a. a greater percentage for industry., b. more for agriculture than for industry., c. more for household uses than any other category., d. a greater percentage for agriculture. | b |
7,407 | NDQ_001769 | humans and the water supply | Municipal use of water refers to water that is used for | null | null | Multiple Choice | a. manufacturing., b. growing crops., c. raising livestock., d. none of the above | d |
7,408 | NDQ_001770 | humans and the water supply | Irrigation water may cause | null | null | Multiple Choice | a. soil to become too salty for plants., b. pesticides to enter groundwater., c. a lot of water to be wasted., d. all of the above | d |
7,409 | NDQ_001771 | humans and the water supply | Recreational uses of water include | null | null | Multiple Choice | a. irrigating golf courses, b. kayaking, c. scuba diving, d. all of these | d |
7,410 | NDQ_001772 | humans and the water supply | Almost a quarter of the water used worldwide is used by | null | null | Multiple Choice | a. farms., b. factories., c. businesses., d. households. | b |
7,411 | NDQ_001773 | humans and the water supply | Agricultural chemicals | null | null | Multiple Choice | a. may enter groundwater, b. evaporate into the air, c. stay on the plants they target, d. all of these | a |
7,412 | NDQ_001774 | humans and the water supply | Water is lost for human use if it | null | null | Multiple Choice | a. infiltrates into the ground, b. enters a stream, c. becomes polluted, d. all of these | c |
7,413 | NDQ_001775 | humans and the water supply | In industry, water is used for | null | null | Multiple Choice | a. cooling machines., b. chemical reactions., c. purifying municipal sewage., d. two of the above | d |
7,414 | NDQ_001776 | humans and the water supply | The main cause of disease and death in young children worldwide is | null | null | Multiple Choice | a. food scarcity., b. water scarcity., c. water pollution., d. none of the above | c |
7,415 | NDQ_001777 | humans and the water supply | The amount of water available to a population depends on | null | null | Multiple Choice | a. rainfall, b. the money available to develop water supplies, c. political agreements, d. all of these | d |
7,416 | NDQ_001778 | humans and the water supply | Which of the following human actions increases the risk of drought? | null | null | Multiple Choice | a. cutting down trees, b. irrigating farmland, c. building golf courses, d. polluting water with wastes | a |
7,417 | NDQ_001781 | humans and the water supply | A lot of irrigation water is wasted because it | null | null | Multiple Choice | a. evaporates in the air., b. runs off the field., c. soaks into the soil., d. two of the above | d |
7,418 | NDQ_001782 | humans and the water supply | All forms of life need water to survive. | null | null | Multiple Choice | a. true, b. false | a |
7,419 | NDQ_001785 | humans and the water supply | We can live longer without water than we can without food. | null | null | Multiple Choice | a. true, b. false | b |
7,420 | NDQ_001787 | humans and the water supply | Irrigation may add unwanted chemicals to groundwater. | null | null | Multiple Choice | a. true, b. false | a |
7,421 | NDQ_001788 | humans and the water supply | Large irrigation systems may waste a lot of water. | null | null | Multiple Choice | a. true, b. false | a |
7,422 | NDQ_001789 | humans and the water supply | Water can be used to generate electricity. | null | null | Multiple Choice | a. true, b. false | a |
7,423 | NDQ_001790 | humans and the water supply | Water scarcity is not a problem since 70% of Earth is covered by water. | null | null | Multiple Choice | a. true, b. false | b |
7,424 | NDQ_001791 | humans and the water supply | More than 70 percent of Earths surface is covered with water. | null | null | Multiple Choice | a. true, b. false | a |
7,425 | NDQ_001792 | humans and the water supply | Glaciers are a source of fresh water in some locations. | null | null | Multiple Choice | a. true, b. false | a |
7,426 | NDQ_001793 | humans and the water supply | Most people in the world have enough clean fresh water. | null | null | Multiple Choice | a. true, b. false | b |
7,427 | NDQ_001794 | humans and the water supply | Most of the fresh water on Earth is under the ground. | null | null | Multiple Choice | a. true, b. false | b |
7,428 | NDQ_001795 | humans and the water supply | By the year 2025, only one-quarter of the worlds people will have enough clean water. | null | null | Multiple Choice | a. true, b. false | b |
7,429 | NDQ_001796 | humans and the water supply | In poorer countries, many young children die from waterborne diseases. | null | null | Multiple Choice | a. true, b. false | a |
7,430 | NDQ_001797 | humans and the water supply | Drier climates generally have less water for people to use. | null | null | Multiple Choice | a. true, b. false | a |
7,431 | NDQ_001798 | humans and the water supply | Because of conservation, we use less water today than we did a century ago. | null | null | Multiple Choice | a. true, b. false | b |
7,432 | NDQ_001799 | humans and the water supply | Water is safe to drink as long as it is moving water. | null | null | Multiple Choice | a. true, b. false | b |
7,433 | NDQ_001800 | humans and the water supply | worlds most serious resource problem | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | e |
7,434 | NDQ_001801 | humans and the water supply | period of unusually low rainfall | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | d |
7,435 | NDQ_001802 | humans and the water supply | degree to which water is polluted | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | f |
7,436 | NDQ_001803 | humans and the water supply | any method of providing extra water to plants | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | b |
7,437 | NDQ_001804 | humans and the water supply | underground pipe that collects runoff water | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | c |
7,438 | NDQ_001805 | humans and the water supply | greatest use of water worldwide | null | null | Multiple Choice | a. agriculture, b. irrigation, c. storm sewer, d. drought, e. water scarcity, f. water quality | a |
7,439 | NDQ_001813 | water pollution | The Gulf of Mexico oil spill began with | null | null | Multiple Choice | a. a ship running aground, b. a rig that cracked apart in a storm, c. a rig explosion, d. an onshore pipeline breaking apart | c |
7,440 | NDQ_001815 | water pollution | Industrial pollutants include | null | null | Multiple Choice | a. radioactive substances, b. chemicals, c. heat, d. all of these | d |
7,441 | NDQ_001817 | water pollution | Dead zones are found mostly | null | null | Multiple Choice | a. off of industrialized areas in developed nations, b. in the Gulf of Mexico, c. off of farming areas in developing nations, d. none of these | c |
7,442 | NDQ_001820 | water pollution | The temperature of a lake may rise if the water is | null | null | Multiple Choice | a. released from a reservoir, b. used to cool a power plant, c. exposed to oil drilling, d. all of these | b |
7,443 | NDQ_001822 | water pollution | An example of point source pollution is | null | null | Multiple Choice | a. a nuclear power plant, b. acid rain, c. a set of enormous animal farms, d. steel factories along a river | a |
7,444 | NDQ_001826 | water pollution | Point source pollution is harder to control. | null | null | Multiple Choice | a. true, b. false | b |
7,445 | NDQ_001827 | water pollution | Agricultural pollution can contaminate well water. | null | null | Multiple Choice | a. true, b. false | a |
7,446 | NDQ_001830 | water pollution | Livestock waste is always stored safely in lagoons. | null | null | Multiple Choice | a. true, b. false | b |
7,447 | NDQ_001831 | water pollution | Industrial water pollution commonly includes toxic chemicals such as mercury. | null | null | Multiple Choice | a. true, b. false | a |
7,448 | NDQ_001832 | water pollution | No harm is done if lawn chemicals are washed into storm sewers. | null | null | Multiple Choice | a. true, b. false | b |
7,449 | NDQ_001833 | water pollution | Water pollution contributes to water shortages. | null | null | Multiple Choice | a. true, b. false | a |
7,450 | NDQ_001834 | water pollution | Most ocean pollution comes from ships at sea. | null | null | Multiple Choice | a. true, b. false | b |
7,451 | NDQ_001835 | water pollution | Most of the pollution in the oceans is carried there by rivers and runoff. | null | null | Multiple Choice | a. true, b. false | a |
7,452 | NDQ_001836 | water pollution | Animal waste and fertilizers bring nutrients to nearby water sources. | null | null | Multiple Choice | a. true, b. false | a |
7,453 | NDQ_001837 | water pollution | Oil leaks and spills occur only in the oceans. | null | null | Multiple Choice | a. true, b. false | b |
7,454 | NDQ_001838 | water pollution | Thermal pollution kills fish by making the water too cold. | null | null | Multiple Choice | a. true, b. false | b |
7,455 | NDQ_001839 | water pollution | Water pollution includes any contaminant that gets into lakes, streams, and oceans. | null | null | Multiple Choice | a. true, b. false | a |
7,456 | NDQ_001840 | water pollution | Factory farms with thousands of animals pollute ocean water with animal wastes. | null | null | Multiple Choice | a. true, b. false | a |
7,457 | NDQ_001841 | water pollution | In some places, people dump trash and raw sewage into the ocean. | null | null | Multiple Choice | a. true, b. false | a |
7,458 | NDQ_001842 | water pollution | If polluted water infiltrates the ground, it is no longer a problem. | null | null | Multiple Choice | a. true, b. false | b |
7,459 | NDQ_001843 | water pollution | major cause of water pollution | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | d |
7,460 | NDQ_001844 | water pollution | pollution that enters water in many places | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | a |
7,461 | NDQ_001845 | water pollution | pollution that raises the temperature of water | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | f |
7,462 | NDQ_001846 | water pollution | where ocean pollution is worst | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | e |
7,463 | NDQ_001847 | water pollution | pollution that enters water in just one place | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | c |
7,464 | NDQ_001848 | water pollution | area in a body of water where nothing can live | null | null | Multiple Choice | a. non-point source pollution, b. dead zone, c. point source pollution, d. agriculture, e. coast, f. thermal pollution | b |
7,465 | NDQ_001849 | water pollution | Sources of water pollution include | null | null | Multiple Choice | a. industry., b. agriculture., c. municipal sources., d. all of the above | d |
7,466 | NDQ_001850 | water pollution | Examples of non-point source pollution include | null | null | Multiple Choice | a. a factory discharging chemicals into a lake through a pipe., b. runoff carrying pesticides into a lake from surrounding farmland., c. a nuclear power plant pumping warm water into a nearby lake., d. two of the above | b |
7,467 | NDQ_001851 | water pollution | If dissolved fertilizer enters bodies of water, it can lead to | null | null | Multiple Choice | a. too many fish., b. too many algae., c. dead zones., d. two of the above | d |
7,468 | NDQ_001852 | water pollution | Bacteria are most likely to contaminate water if it is polluted by a(n) | null | null | Multiple Choice | a. oil refinery., b. chemical plant., c. nuclear power plant., d. sewage treatment plant. | d |
7,469 | NDQ_001853 | water pollution | Nuclear power plants use water for | null | null | Multiple Choice | a. cooling., b. chemical reactions., c. nuclear fusion reactions., d. neutralizing radioactive elements. | a |
7,470 | NDQ_001854 | water pollution | Water pollution is a problem | null | null | Multiple Choice | a. only in poor nations., b. mainly in rich nations., c. all over the world., d. only for ocean animals. | c |
7,471 | NDQ_001855 | protecting the water supply | Passage of the Clean Water Act | null | null | Multiple Choice | a. established the Environmental Protection Agency, b. outlawed emitting all pollutants into water, c. made governments responsible for all pollution, d. all of these | a |
7,472 | NDQ_001856 | protecting the water supply | A burning river helped people realize the need to protect water. | null | null | Multiple Choice | a. true, b. false | a |
7,473 | NDQ_001857 | protecting the water supply | Water pollution has been reduced by laws fining polluters. | null | null | Multiple Choice | a. true, b. false | a |
7,474 | NDQ_001858 | protecting the water supply | Contaminants in water that need to be treated include | null | null | Multiple Choice | a. bacteria, algae, viruses, and fungi, b. some elements, c. chemical pollutants, d. all of these | d |
7,475 | NDQ_001859 | protecting the water supply | Most water pollution is caused by recreation on the water. | null | null | Multiple Choice | a. true, b. false | b |
7,476 | NDQ_001860 | protecting the water supply | Water purification | null | null | Multiple Choice | a. increases acidity, b. does not always produce water that is safe for drinking, c. removes all contaminants, d. none of these | b |
7,477 | NDQ_001861 | protecting the water supply | What can governments and international agencies do to prevent pollution and clean up the oceans? | null | null | Multiple Choice | a. pass laws, b. provide funding, c. enforce laws, d. all of the above | d |
7,478 | NDQ_001862 | protecting the water supply | Coagulation is used during water treatment to remove chemicals from water. | null | null | Multiple Choice | a. true, b. false | b |
7,479 | NDQ_001863 | protecting the water supply | Filters are used during water treatment to remove bacteria from water. | null | null | Multiple Choice | a. true, b. false | b |
7,480 | NDQ_001864 | protecting the water supply | To discard motor oil | null | null | Multiple Choice | a. put it in the storm sewers, b. put it down the drain, c. take it to an approved disposal facility, d. put it on the ground | c |
7,481 | NDQ_001865 | protecting the water supply | People in wealthy nations waste more water than people in poor nations. | null | null | Multiple Choice | a. true, b. false | a |
7,482 | NDQ_001868 | protecting the water supply | The single biggest use of water is for industry. | null | null | Multiple Choice | a. true, b. false | b |
7,483 | NDQ_001869 | protecting the water supply | Water-saving toilets use only about half as much water as regular toilets. | null | null | Multiple Choice | a. true, b. false | a |
7,484 | NDQ_001872 | protecting the water supply | When communities ration water, they ban its use by certain households. | null | null | Multiple Choice | a. true, b. false | b |
7,485 | NDQ_001874 | protecting the water supply | Chemicals are added to untreated water to cause solids to clump together. | null | null | Multiple Choice | a. true, b. false | a |
7,486 | NDQ_001875 | protecting the water supply | Cleaning the ocean of pollutants is difficult because the ocean is so vast. | null | null | Multiple Choice | a. true, b. false | a |
7,487 | NDQ_001876 | protecting the water supply | To protect the water supply, you should dispose of motor oil by | null | null | Multiple Choice | a. pouring it down the drain., b. spreading it over the ground., c. letting it run into a storm sewer., d. none of the above | d |
7,488 | NDQ_001877 | protecting the water supply | It is easier to clean water that has become polluted than to keep it from becoming polluted. | null | null | Multiple Choice | a. true, b. false | b |
7,489 | NDQ_001878 | protecting the water supply | If pet wastes pollute the water supply, they can | null | null | Multiple Choice | a. add nitrogen to the water., b. cause overgrowth of algae., c. pollute the water with bacteria., d. all of the above | d |
7,490 | NDQ_001879 | protecting the water supply | Water for drinking, medicine, agriculture, and water parks is all purified to the same quality. | null | null | Multiple Choice | a. true, b. false | b |
7,491 | NDQ_001880 | protecting the water supply | The goal of all water treatment is to | null | null | Multiple Choice | a. make water pure enough to drink., b. remove unwanted substances from water., c. make water safe enough to return to the natural environment., d. all of the above | b |
7,492 | NDQ_001881 | protecting the water supply | Which processes are involved in treating drinking water? | null | null | Multiple Choice | a. coagulation, b. sedimentation, c. filtration, d. all of the above | d |
7,493 | NDQ_001882 | protecting the water supply | Wastewater contains hundreds of contaminants. | null | null | Multiple Choice | a. true, b. false | a |
7,494 | NDQ_001883 | protecting the water supply | In a wastewater treatment plant, water is treated in one single process. | null | null | Multiple Choice | a. true, b. false | b |
7,495 | NDQ_001884 | protecting the water supply | Ways that people can conserve water include all of the following except | null | null | Multiple Choice | a. fixing leaky faucets., b. taking shorter showers., c. using low-flow shower heads., d. leaving on the water while brushing teeth. | d |
7,496 | NDQ_001885 | protecting the water supply | The single biggest use of water in the home is | null | null | Multiple Choice | a. toilet flushing., b. cooking., c. cleaning., d. laundry. | a |
7,497 | NDQ_001886 | protecting the water supply | process in water treatment in which small particles are separated from water | null | null | Multiple Choice | a. water treatment, b. pollution, c. conservation, d. sedimentation, e. filtration, f. coagulation, g. disinfection | e |
7,498 | NDQ_001887 | protecting the water supply | process in water treatment in which large particles settle to the bottom of the water | null | null | Multiple Choice | a. water treatment, b. pollution, c. conservation, d. sedimentation, e. filtration, f. coagulation, g. disinfection | d |
7,499 | NDQ_001888 | protecting the water supply | series of processes to improve the quality of water | null | null | Multiple Choice | a. water treatment, b. pollution, c. conservation, d. sedimentation, e. filtration, f. coagulation, g. disinfection | a |
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