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11,000 | NDQ_008777 | cycles of matter | Volcanic eruptions can release underground carbon from rocks into the atmosphere. | null | null | Multiple Choice | a. true, b. false | a |
11,001 | NDQ_008778 | cycles of matter | Exchange pools for water include | null | null | Multiple Choice | a. the atmosphere., b. polar ice caps., c. aquifers., d. all of the above | a |
11,002 | NDQ_008781 | cycles of matter | Which statement about the water cycle is false? | null | null | Multiple Choice | a. The water cycle is a global cycle., b. The water cycle takes place only on and above Earths surface., c. In the water cycle, water exists in three different states., d. Water cycle processes include condensation. | b |
11,003 | NDQ_008783 | cycles of matter | How do solid carbon compounds change to carbon dioxide in the atmosphere during the carbon cycle? | null | null | Multiple Choice | a. cellular respiration by living things, b. photosynthesis by photoautotrophs, c. decomposition of dead organisms, d. two of the above | d |
11,004 | NDQ_008784 | cycles of matter | What role do plants called legumes play in the nitrogen cycle? | null | null | Multiple Choice | a. Their roots change nitrogen gas in the air into nitrates., b. Their roots provide a home for nitrogen-fixing bacteria., c. Their leaves transpire nitrogen gas into the atmosphere., d. Their leaves change ammonium ions into nitrogen gas. | b |
11,005 | NDQ_008785 | cycles of matter | The only form of nitrogen that plants can use is nitrogen gas. | null | null | Multiple Choice | a. true, b. false | b |
11,006 | NDQ_008786 | cycles of matter | Nitrogen-fixing bacteria change ammonium ions into nitrogen gas. | null | null | Multiple Choice | a. true, b. false | b |
11,007 | NDQ_008787 | cycles of matter | All of the following processes are part of the water cycle except | null | null | Multiple Choice | a. transpiration., b. sublimation., c. evaporation., d. decomposition. | d |
11,008 | NDQ_008788 | cycles of matter | The atmosphere is an exchange pool for water. | null | null | Multiple Choice | a. true, b. false | a |
11,009 | NDQ_008789 | cycles of matter | Nitrogen gas is released into the soil by | null | null | Multiple Choice | a. nitrogen-fixing bacteria., b. denitrifying bacteria., c. decomposers., d. two of the above | b |
11,010 | NDQ_008790 | cycles of matter | The process in which plants absorb nitrates through their roots is called | null | null | Multiple Choice | a. nitrification., b. denitrification., c. assimilation., d. ammonification. | c |
11,011 | NDQ_008791 | cycles of matter | Water keeps changing state as it moves through the water cycle. | null | null | Multiple Choice | a. true, b. false | a |
11,012 | NDQ_008792 | cycles of matter | Plants release water vapor to the atmosphere through their leaves. | null | null | Multiple Choice | a. true, b. false | a |
11,013 | NDQ_008793 | cycles of matter | __process in which water vapor changes to liquid water | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | f |
11,014 | NDQ_008794 | cycles of matter | __part of a biogeochemical cycle that holds a substance for a long period of time | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | a |
11,015 | NDQ_008795 | cycles of matter | __water that falls as precipitation and then flows over the surface of the land | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | d |
11,016 | NDQ_008796 | cycles of matter | __biogeochemical cycle that includes sedimentary rocks and fossil fuels | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | c |
11,017 | NDQ_008797 | cycles of matter | __part of a biogeochemical cycle that holds a substance for a short period of time | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | e |
11,018 | NDQ_008798 | cycles of matter | __biogeochemical cycle that includes the atmosphere and several types of bacteria | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | g |
11,019 | NDQ_008799 | cycles of matter | __process in which snow and ice change directly to water vapor | null | null | Multiple Choice | a. a.reservoir, b. b.sublimation, c. c.carbon cycle, d. d.runoff, e. e.exchange pool, f. f.condensation, g. g.nitrogen cycle | b |
11,020 | NDQ_008850 | air pollution | Air pollution is due mainly to | null | null | Multiple Choice | a. natural processes., b. human actions., c. climatic changes., d. weather patterns. | b |
11,021 | NDQ_008851 | air pollution | __main gas that is causing global climate change | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | g |
11,022 | NDQ_008852 | air pollution | __naturally occurring radioactive gas that may pollute indoor air | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | f |
11,023 | NDQ_008853 | air pollution | Which of the following is both an indoor and an outdoor air pollutant? | null | null | Multiple Choice | a. mold, b. VOCs, c. carbon monoxide, d. all of the above | c |
11,024 | NDQ_008854 | air pollution | Consequences of global climate change include | null | null | Multiple Choice | a. more extreme weather., b. species extinctions., c. rising sea levels., d. all of the above | d |
11,025 | NDQ_008855 | air pollution | __air pollutant produced by burning coal that causes acid rain | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | d |
11,026 | NDQ_008856 | air pollution | __air pollutant caused by motor vehicle exhaust that worsens respiratory problems | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | b |
11,027 | NDQ_008857 | air pollution | Exposure to radon gas may cause cancer of the | null | null | Multiple Choice | a. skin., b. lung., c. kidney., d. colon. | b |
11,028 | NDQ_008858 | air pollution | __toxic gas that may be released by faulty fuel-burning appliances | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | c |
11,029 | NDQ_008859 | air pollution | Volatile organic compounds are found in some | null | null | Multiple Choice | a. furniture., b. flooring., c. paints., d. all of the above | d |
11,030 | NDQ_008861 | air pollution | __any harmful substance released into the atmosphere | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | a |
11,031 | NDQ_008863 | air pollution | __natural feature of Earths atmosphere that warms Earths surface | null | null | Multiple Choice | a. a.air pollution, b. b.ground-level ozone, c. c.carbon monoxide, d. d.sulfur oxide, e. e.greenhouse effect, f. f.radon, g. g.carbon dioxide | e |
11,032 | NDQ_008871 | air pollution | Earths atmosphere is too vast to become seriously polluted. | null | null | Multiple Choice | a. true, b. false | b |
11,033 | NDQ_008872 | air pollution | Cardiovascular diseases may be worsened by air pollution. | null | null | Multiple Choice | a. true, b. false | a |
11,034 | NDQ_008874 | air pollution | Erosion of soil adds dust particles to the atmosphere. | null | null | Multiple Choice | a. true, b. false | a |
11,035 | NDQ_008877 | air pollution | Fewer people die each year from air pollution than automobile accidents. | null | null | Multiple Choice | a. true, b. false | b |
11,036 | NDQ_008878 | air pollution | Earth had no greenhouse gases until about 200 years ago. | null | null | Multiple Choice | a. true, b. false | b |
11,037 | NDQ_008879 | air pollution | Air pollution is no longer a major problem in the U.S. | null | null | Multiple Choice | a. true, b. false | b |
11,038 | NDQ_008880 | air pollution | Heart attacks may be triggered by pollutants in the air. | null | null | Multiple Choice | a. true, b. false | a |
11,039 | NDQ_008881 | air pollution | Acid rain may kill animals but does not affect plants. | null | null | Multiple Choice | a. true, b. false | b |
11,040 | NDQ_008882 | air pollution | Earth had no greenhouse effect until human beings started burning fossil fuels. | null | null | Multiple Choice | a. true, b. false | b |
11,041 | NDQ_008883 | air pollution | Outdoor air is always more polluted than indoor air. | null | null | Multiple Choice | a. true, b. false | b |
11,042 | NDQ_008884 | air pollution | Air pollution is a major contributor to respiratory diseases. | null | null | Multiple Choice | a. true, b. false | a |
11,043 | NDQ_008885 | air pollution | It is easier to control the quality of indoor air than outdoor air. | null | null | Multiple Choice | a. true, b. false | a |
11,044 | NDQ_008886 | air pollution | The major cause of outdoor air pollution is | null | null | Multiple Choice | a. use of chemicals such as fertilizers., b. erosion of disturbed soil., c. burning of fossil fuels., d. ranching activities. | c |
11,045 | NDQ_008887 | air pollution | Carbon monoxide is | null | null | Multiple Choice | a. a major cause of global climate change., b. a toxic gas that may pollute indoor air., c. one of the chief causes of acid rain., d. two of the above | b |
11,046 | NDQ_008888 | air pollution | The main sources of pollutants that form acid rain include | null | null | Multiple Choice | a. mining activities., b. coal burning., c. motor vehicle exhaust., d. two of the above | d |
11,047 | NDQ_008889 | air pollution | Consequences of acid rain may include | null | null | Multiple Choice | a. destruction of stone buildings., b. deaths of aquatic organisms., c. damage to soil., d. all of the above | d |
11,048 | NDQ_008890 | air pollution | What are VOCs? | null | null | Multiple Choice | a. toxic compounds released by some furniture and paints, b. nerve poisons produced by the burning of fossil fuels, c. deadly gases released by poorly vented furnaces, d. none of the above | a |
11,049 | NDQ_008891 | air pollution | Fossils fuels are burned in | null | null | Multiple Choice | a. power plants., b. motor vehicles., c. factories., d. all of the above | d |
11,050 | NDQ_008892 | air pollution | Which of the following is a common indoor and outdoor air pollutant? | null | null | Multiple Choice | a. dust, b. radon, c. pet dander, d. ground-level ozone | a |
11,051 | NDQ_008893 | water pollution | Most of Earths liquid water is in | null | null | Multiple Choice | a. lakes., b. rivers., c. wetlands., d. the ocean. | d |
11,052 | NDQ_008894 | water pollution | __problem resulting from too much dissolved carbon dioxide in ocean water | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | e |
11,053 | NDQ_008895 | water pollution | __main way that nonpoint-source pollution enters bodies of water | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | d |
11,054 | NDQ_008896 | water pollution | Runoff dissolves fertilizer when it flows over | null | null | Multiple Choice | a. farm fields., b. golf courses., c. lawns and gardens., d. all of the above | d |
11,055 | NDQ_008897 | water pollution | The most effective way to prevent dead zones in bodies of water is to | null | null | Multiple Choice | a. add nutrients to the water., b. reduce the use of fertilizers., c. promote the growth of algae., d. allow algal blooms to decompose. | b |
11,056 | NDQ_008898 | water pollution | __main source of chemicals that cause algal blooms | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | c |
11,057 | NDQ_008899 | water pollution | __area where water cannot support aquatic life because it is hypoxic | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | f |
11,058 | NDQ_008900 | water pollution | Thermal pollution of water is generally caused by | null | null | Multiple Choice | a. nonpoint-source pollution., b. home heating systems., c. power plants and factories., d. global warming. | c |
11,059 | NDQ_008901 | water pollution | __reduction in water quality due to an increase in water temperature | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | g |
11,060 | NDQ_008902 | water pollution | The dissolved oxygen content of water may be reduced by | null | null | Multiple Choice | a. thermal pollution., b. decomposition of algae., c. unusually cold weather., d. two of the above | d |
11,061 | NDQ_008904 | water pollution | __excessive growth of aquatic producers | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | a |
11,062 | NDQ_008906 | water pollution | __habitat with moist soil, such as a swamp | null | null | Multiple Choice | a. a.algal bloom, b. b.wetland, c. c.fertilizer, d. d.runoff, e. e.acidification, f. f.dead zone, g. g.thermal pollution | b |
11,063 | NDQ_008914 | water pollution | Trash that pollutes the ocean is made mainly of plastic. | null | null | Multiple Choice | a. true, b. false | a |
11,064 | NDQ_008915 | water pollution | Ocean acidification can kill corals and some shellfish. | null | null | Multiple Choice | a. true, b. false | a |
11,065 | NDQ_008917 | water pollution | An example of nonpoint-source pollution is the release of pollution into water through a pipe from a | null | null | Multiple Choice | a. true, b. false | b |
11,066 | NDQ_008920 | water pollution | Symptoms of waterborne diseases usually include diarrhea. | null | null | Multiple Choice | a. true, b. false | a |
11,067 | NDQ_008921 | water pollution | The total number of people on Earth who lack adequate clean, fresh water is about a million. | null | null | Multiple Choice | a. true, b. false | b |
11,068 | NDQ_008922 | water pollution | What percent of Earths water is fresh, liquid water? | null | null | Multiple Choice | a. 1 percent, b. 10 percent, c. 50 percent, d. 90 percent | a |
11,069 | NDQ_008923 | water pollution | Pollutants in Earths waters include | null | null | Multiple Choice | a. chemicals., b. sewage., c. heat., d. all of the above | d |
11,070 | NDQ_008924 | water pollution | How many people worldwide do not have enough clean, fresh water? | null | null | Multiple Choice | a. fewer than a hundred, b. about a thousand, c. about a million, d. more than a billion | d |
11,071 | NDQ_008925 | water pollution | The main pollutant added to water by nonpoint-source pollution is | null | null | Multiple Choice | a. plastic trash., b. pathogens., c. fertilizer., d. none of the above | c |
11,072 | NDQ_008926 | water pollution | Water becomes hypoxic when algae in an algal bloom | null | null | Multiple Choice | a. undergo cellular respiration., b. carry out photosynthesis., c. grow and reproduce., d. die and decompose. | d |
11,073 | NDQ_008927 | water pollution | Why are wetlands important for the environment? | null | null | Multiple Choice | a. They filter runoff before it reaches bodies of water., b. They provide breeding grounds for many different species., c. They can be filled in with soil so more native plants will grow., d. two of the above | d |
11,074 | NDQ_008928 | water pollution | Which statement about point-source pollution is false? | null | null | Multiple Choice | a. It may enter the water from a factory., b. It may include thermal pollution., c. It may come from a sewage treatment plant., d. It enters a body of water in runoff. | d |
11,075 | NDQ_008929 | water pollution | Less than half of Earths water is in the ocean, glaciers, and ice caps. | null | null | Multiple Choice | a. true, b. false | b |
11,076 | NDQ_008930 | water pollution | Algal blooms are due to excess nutrients polluting bodies of water. | null | null | Multiple Choice | a. true, b. false | a |
11,077 | NDQ_008931 | water pollution | There is a very large dead zone in the Gulf of Mexico. | null | null | Multiple Choice | a. true, b. false | a |
11,078 | NDQ_008932 | water pollution | Examples of wetlands include marshes and bogs. | null | null | Multiple Choice | a. true, b. false | a |
11,079 | NDQ_008933 | water pollution | Waterborne diseases are caused by pathogens in drinking water. | null | null | Multiple Choice | a. true, b. false | a |
11,080 | NDQ_008934 | water pollution | Virtually all thermal pollution of Earths water is caused by global warming. | null | null | Multiple Choice | a. true, b. false | b |
11,081 | NDQ_008935 | water pollution | The ocean is so huge that it can never become seriously polluted. | null | null | Multiple Choice | a. true, b. false | b |
11,082 | NDQ_008936 | natural resources | All of the following are considered to be renewable resources except | null | null | Multiple Choice | a. sunlight., b. plants., c. iron., d. soil. | d |
11,083 | NDQ_008937 | natural resources | All natural resources are used for energy. | null | null | Multiple Choice | a. true, b. false | b |
11,084 | NDQ_008938 | natural resources | Some minerals are renewable resources. | null | null | Multiple Choice | a. true, b. false | a |
11,085 | NDQ_008939 | natural resources | Nonrenewable resources include | null | null | Multiple Choice | a. uranium., b. aluminum., c. organisms., d. two of the above | a |
11,086 | NDQ_008940 | natural resources | If natural gas continues to be used at current rates, it will be used up in a few | null | null | Multiple Choice | a. months., b. years., c. decades., d. centuries. | c |
11,087 | NDQ_008941 | natural resources | It takes millions of years for fossil fuels to form. | null | null | Multiple Choice | a. true, b. false | a |
11,088 | NDQ_008942 | natural resources | At current rates of use, oil will be used up in just a few decades. | null | null | Multiple Choice | a. true, b. false | a |
11,089 | NDQ_008943 | natural resources | How long does it usually take soil to form? | null | null | Multiple Choice | a. about a year, b. a few hundred years, c. a couple of thousand years, d. millions of years | d |
11,090 | NDQ_008944 | natural resources | The use of nuclear power adds greenhouse gases to the atmosphere. | null | null | Multiple Choice | a. true, b. false | b |
11,091 | NDQ_008945 | natural resources | About what percent of energy used worldwide comes from nonrenewable resources? | null | null | Multiple Choice | a. 2025 percent, b. 4045 percent, c. 6065 percent, d. 8085 percent | d |
11,092 | NDQ_008947 | natural resources | Decomposition of garbage releases methane gas that can be used for fuel. | null | null | Multiple Choice | a. true, b. false | a |
11,093 | NDQ_008949 | natural resources | LED light bulbs use less energy than incandescent light bulbs. | null | null | Multiple Choice | a. true, b. false | a |
11,094 | NDQ_008950 | natural resources | __energy provided by burning or decomposing organic matter | null | null | Multiple Choice | a. a.soil, b. b.natural resource, c. c.biomass energy, d. d.renewable resource, e. e.sustainable use, f. f.fossil fuel, g. g.nonrenewable resource | c |
11,095 | NDQ_008953 | natural resources | __resource that cannot be remade at all or as quickly as people use it | null | null | Multiple Choice | a. a.soil, b. b.natural resource, c. c.biomass energy, d. d.renewable resource, e. e.sustainable use, f. f.fossil fuel, g. g.nonrenewable resource | g |
11,096 | NDQ_008955 | natural resources | __use of resources in a way that meets current needs and also the needs of future generations | null | null | Multiple Choice | a. a.soil, b. b.natural resource, c. c.biomass energy, d. d.renewable resource, e. e.sustainable use, f. f.fossil fuel, g. g.nonrenewable resource | e |
11,097 | NDQ_008956 | natural resources | __coal, oil, or natural gas | null | null | Multiple Choice | a. a.soil, b. b.natural resource, c. c.biomass energy, d. d.renewable resource, e. e.sustainable use, f. f.fossil fuel, g. g.nonrenewable resource | f |
11,098 | NDQ_008957 | natural resources | The use of biomass energy does not contribute to air pollution. | null | null | Multiple Choice | a. true, b. false | b |
11,099 | NDQ_008958 | natural resources | Fossil fuels form from organic remains that become buried under the ground. | null | null | Multiple Choice | a. true, b. false | a |
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