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9,000 | NDQ_004734 | groundwater depletion | land in some places, like the san joaquin valley of california, has undergone subsidence, which is due to | null | null | Multiple Choice | a. Too much farming., b. The aging of the groundwater aquifer., c. A change from drip irrigation to overhead sprinklers for irrigation., d. Overpumping groundwater. | d |
9,001 | NDQ_004735 | groundwater depletion | in coastal regions, when an aquifer gets low, this might happen. | null | null | Multiple Choice | a. A reduction in farming., b. Drought, c. Salt Water intrusion, d. None of these. | c |
9,002 | NDQ_004736 | groundwater depletion | when a water table decline, wells must be drilled deeper. | null | null | Multiple Choice | a. True, b. False | a |
9,003 | NDQ_004737 | groundwater depletion | groundwater is a stable supply of water and can never be depleted. | null | null | Multiple Choice | a. True, b. False | b |
9,004 | NDQ_004738 | groundwater depletion | the water in the ogallala aquifer is mostly from the last ice age. | null | null | Multiple Choice | a. True, b. False | a |
9,005 | NDQ_004739 | groundwater depletion | the dust bowl will not be repeated as long as we continue to | null | null | Multiple Choice | a. Pump water from the Ogallala Aquifer., b. Stop farming in that region., c. Only grow crops in wet years., d. Use pesticides and herbicides to make plants grow better. | a |
9,006 | NDQ_004740 | groundwater pollution | which is a source of surface water pollution? | null | null | Multiple Choice | a. Municipal pollutants, b. Agricultural pollutants, c. Industrial pollutants, d. All of the above | d |
9,007 | NDQ_004741 | groundwater pollution | more than 100,000 tanks of toxic substances are currently leaking underground. | null | null | Multiple Choice | a. True, b. False | a |
9,008 | NDQ_004742 | groundwater pollution | this much of the municipal groundwater supplies in the united states are polluted. | null | null | Multiple Choice | a. 25%, b. 35%, c. 45%, d. 55% | c |
9,009 | NDQ_004743 | groundwater pollution | what is a pollutant plume in an aquifer? | null | null | Multiple Choice | a. Contamination that travels from the pollutant source in the direction of flow., b. Contamination that travels through an aquifer at a higher speed than the water flows., c. Water that travels down the flow gradient through a polluted region., d. None of the above | a |
9,010 | NDQ_004744 | groundwater pollution | about 25% of groundwater in the united states is polluted. | null | null | Multiple Choice | a. True, b. False | a |
9,011 | NDQ_004745 | groundwater pollution | pollutants in an aquifer may | null | null | Multiple Choice | a. Be filtered out by the rock or soil., b. Remain in the aquifer., c. Travel very slowly through the rock., d. All of the above. | d |
9,012 | NDQ_004746 | groundwater pollution | groundwater is often contaminated by | null | null | Multiple Choice | a. Irrigation water., b. Underground storage tanks., c. Water seeping through landfills., d. All of these. | d |
9,013 | NDQ_004747 | groundwater pollution | a contaminated well will be located | null | null | Multiple Choice | a. Only in areas where there is surface contamination., b. Only in areas that are downstream from an industrial pollutant source., c. Only in farming areas., d. Anywhere. | d |
9,014 | NDQ_004748 | groundwater pollution | groundwater that moves through the rock aquifer for years is decontaminated and drinkable. | null | null | Multiple Choice | a. True, b. False | b |
9,015 | NDQ_004749 | groundwater pollution | fortunately, toxic chemicals that leak onto the ground remain on the ground and do not get into the groundwater supply. | null | null | Multiple Choice | a. True, b. False | b |
9,016 | NDQ_004750 | growth of human populations | human population reached its first billion in which year? | null | null | Multiple Choice | a. 8000 B.C., b. 1, c. 1802, d. 1961 | c |
9,017 | NDQ_004751 | growth of human populations | in 2011, the human population increased to ___________. | null | null | Multiple Choice | a. 1 billion, b. 3 billion, c. 5 billion, d. 7 billion | d |
9,018 | NDQ_004752 | growth of human populations | by the end of the 21st century, the human population is estimated to reach | null | null | Multiple Choice | a. 10 billion, b. 9 billion, c. 8 billion, d. Stay the same | a |
9,019 | NDQ_004753 | growth of human populations | which can contribute to overpopulation? | null | null | Multiple Choice | a. High mortality rate, b. Low mortality rate, c. Decreased birth rate, d. None of the above. | b |
9,020 | NDQ_004754 | growth of human populations | human population grows because | null | null | Multiple Choice | a. Much of the human population is young and will have children., b. People are living much longer than in the past., c. More children survive to have children than in the past., d. All of these | d |
9,021 | NDQ_004755 | growth of human populations | the rate at which the human population is growing is decreasing. | null | null | Multiple Choice | a. True, b. False | b |
9,022 | NDQ_004756 | growth of human populations | limiting factors on human population in local regions include | null | null | Multiple Choice | a. Space, clean air, clean water and food., b. Disease., c. Predators., d. There are as yet no regions where human population is limited. | a |
9,023 | NDQ_004757 | growth of human populations | limiting factors on human population worldwide include | null | null | Multiple Choice | a. Space, clean air, clean water and food., b. Disease., c. Predators., d. There are as yet no limiting factors on human population growth worldwide. | d |
9,024 | NDQ_004758 | growth of human populations | by the end of the 21st century, the human population is expected | null | null | Multiple Choice | a. To decrease by 3 billion., b. To increase by more people than were even alive in 1960., c. To increase by 10.1 billion., d. None of the above. | b |
9,025 | NDQ_004759 | growth of human populations | as for future population growth | null | null | Multiple Choice | a. The population is decreasing., b. The rate of growth of the population is decreasing., c. The rate that the rate the population is growing is decreasing., d. None of the above. | c |
9,026 | NDQ_004760 | hazardous waste | which of these substances are considered hazardous waste? | null | null | Multiple Choice | a. Chemically active materials, b. Flammable material, c. Corrosive materials, d. All of the above | d |
9,027 | NDQ_004761 | hazardous waste | gasoline, used motor oil, battery acid and brake fluid are toxic chemicals from | null | null | Multiple Choice | a. Medical facilities., b. Dry cleaners., c. The automotive industry., d. Paints manufacturers. | c |
9,028 | NDQ_004762 | hazardous waste | paints are hazardous because they are | null | null | Multiple Choice | a. Toxic, b. Flammable, c. Corrosive, d. A & B | d |
9,029 | NDQ_004763 | hazardous waste | dry cleaning chemicals are hazardous because they __________. | null | null | Multiple Choice | a. Are flammable., b. May cause cancer in humans, c. Are corrosive., d. A & B | b |
9,030 | NDQ_004764 | hazardous waste | human blood is | null | null | Multiple Choice | a. A medical waste., b. Messy but not a hazard., c. Flammable, d. Corrosive. | a |
9,031 | NDQ_004765 | hazardous waste | what does corrosive mean? | null | null | Multiple Choice | a. It can cause explosions, b. It destroys by chemical reactions, c. It can catch on fire, d. It is poisonous | b |
9,032 | NDQ_004766 | hazardous waste | toxic chemicals are all right if they are stored and used properly. | null | null | Multiple Choice | a. True, b. False | a |
9,033 | NDQ_004767 | hazardous waste | if you are going to use pesticides or herbicides the more you use the more pests you kill and the better it is. | null | null | Multiple Choice | a. True, b. False | b |
9,034 | NDQ_004768 | hazardous waste | which of these is corrosive? | null | null | Multiple Choice | a. Surgical gloves, b. Batteries, c. Paint, d. Dry cleaning chemicals | b |
9,035 | NDQ_004769 | hazardous waste | how can you can get rid of hazardous waste safely? | null | null | Multiple Choice | a. Pour toxic liquids down the drain., b. Throw medical wastes in the trash., c. Follow the rules for each toxic material., d. All of these. | c |
9,036 | NDQ_004770 | heat budget of planet earth | only this much of the solar radiation reaches the surface of the earth. | null | null | Multiple Choice | a. Three-fourths, b. Half, c. One-fourth, d. Two-thirds | b |
9,037 | NDQ_004771 | heat budget of planet earth | the equatorial regions albedo is low because the region is heavily forested. | null | null | Multiple Choice | a. True, b. False | a |
9,038 | NDQ_004772 | heat budget of planet earth | the amount of incoming solar radiation is the same at all latitudes. | null | null | Multiple Choice | a. True, b. False | b |
9,039 | NDQ_004773 | heat budget of planet earth | night and day each last 6 months in the polar regions. | null | null | Multiple Choice | a. True, b. False | a |
9,040 | NDQ_004774 | heat budget of planet earth | about 90% of the solar radiation that strikes the top of the atmosphere is filtered out before it reaches the ground. | null | null | Multiple Choice | a. True, b. False | b |
9,041 | NDQ_004775 | heat budget of planet earth | what happens to the suns radiation that strikes the ground? | null | null | Multiple Choice | a. It is reradiated as heat., b. It is reflected back into the atmosphere., c. It is absorbed by rocks and soil., d. All of these. | d |
9,042 | NDQ_004776 | heat budget of planet earth | why is the albedo in the polar regions high? | null | null | Multiple Choice | a. The polar regions have a lot of snow and ice., b. The polar regions have a lot of vegetation., c. The polar regions have a lot of open dirt and rock., d. All of these. | a |
9,043 | NDQ_004777 | heat budget of planet earth | where is the number of day and night hours closest to equal all year? | null | null | Multiple Choice | a. The Equator., b. The North Pole., c. The South Pole, d. The tropic of cancer and the tropic of Capricorn. | a |
9,044 | NDQ_004778 | heat budget of planet earth | why isnt earths heat budget balanced? | null | null | Multiple Choice | a. Because the amount of outgoing heat is greater than the amount incoming heat., b. Because the amount of solar radiation is not equal at different latitudes., c. Because the amount of incoming heat is greater than the amount outgoing heat., d. Because the amount of solar radiation is the same at different latitudes. | c |
9,045 | NDQ_004779 | heat budget of planet earth | if more heat enters the earth system than leaves it, then | null | null | Multiple Choice | a. The planet will cool., b. More heat will need to leave the system., c. More heat will need to enter the system., d. The planet will warm. | d |
9,046 | NDQ_004781 | heat transfer in the atmosphere | the transfer of energy between two objects by electromagnetic waves. | null | null | Multiple Choice | a. Radiation, b. Conduction, c. Convection, d. Connection | a |
9,047 | NDQ_004782 | heat transfer in the atmosphere | heat moving from more heat to areas of less heat by direct contact. | null | null | Multiple Choice | a. Radiation, b. Conduction, c. Convection, d. Connection | b |
9,048 | NDQ_004783 | heat transfer in the atmosphere | conduction is more effective at higher altitudes, where air density is lower. | null | null | Multiple Choice | a. True, b. False | b |
9,049 | NDQ_004784 | heat transfer in the atmosphere | solar energy coming through space is transferred by | null | null | Multiple Choice | a. Conduction, b. Convection, c. Connection, d. Radiation | d |
9,050 | NDQ_004785 | heat transfer in the atmosphere | what drives the water cycle? | null | null | Multiple Choice | a. The Earth’s core, b. The Moon, c. The Sun, d. Greenhouse gases | c |
9,051 | NDQ_004786 | heat transfer in the atmosphere | the suns rays strike the surface most directly at the equator. | null | null | Multiple Choice | a. True, b. False | a |
9,052 | NDQ_004787 | heat transfer in the atmosphere | a spoon getting warmed by boiling water is an example of this. | null | null | Multiple Choice | a. Radiation, b. Conduction, c. Convection, d. Connection | b |
9,053 | NDQ_004788 | heat transfer in the atmosphere | when air gets warmer | null | null | Multiple Choice | a. It goes upward, b. Molecules move faster, c. Molecules spread apart, d. All of the above | d |
9,054 | NDQ_004789 | heat transfer in the atmosphere | why do the poles receive less solar radiation than the equator? | null | null | Multiple Choice | a. The sun’s rays strike obliquely and only during the summer., b. The sun’s rays strike directly but only during summer., c. The sun’s rays strike obliquely in the winter and directly in the summer., d. None of the above | a |
9,055 | NDQ_004790 | heat waves and droughts | what causes a heat wave? | null | null | Multiple Choice | a. A high pressure cell sits over a region., b. A high pressure zone keeps the jet stream from moving south as it normally does., c. Solar radiation increases due to solar storms., d. A & B | d |
9,056 | NDQ_004792 | heat waves and droughts | heat waves have increased in frequency and duration in recent years. | null | null | Multiple Choice | a. True, b. False | a |
9,057 | NDQ_004793 | heat waves and droughts | a region is having a heat wave when it is experiencing more than _____ consecutive days of temperatures more than _____ above the average. | null | null | Multiple Choice | a. 3; 3oF (1.7oC), b. 5; 9oF (5oC), c. 10; 12oF (6.7oC), d. 7; 15oF (8.3oC) | b |
9,058 | NDQ_004794 | heat waves and droughts | wildfires are increasingly common in the western united states due to an extended | null | null | Multiple Choice | a. Drought, b. Heat wave, c. Monsoon season, d. A & B | a |
9,059 | NDQ_004795 | heat waves and droughts | three months with average daily high temperatures above 100of is normal for phoenix, arizona, but six days of 100of temperatures in portland, oregon is a heat wave. | null | null | Multiple Choice | a. True, b. False | a |
9,060 | NDQ_004796 | heat waves and droughts | droughts in the 1930s were a major factor in causing this event. | null | null | Multiple Choice | a. The Great Depression, b. World War II, c. The Dust Bowl, d. The Green Revolution | c |
9,061 | NDQ_004797 | heat waves and droughts | people survive in phoenix, arizona in intense heat because they are hardier than people in other locations. | null | null | Multiple Choice | a. True, b. False | b |
9,062 | NDQ_004798 | heat waves and droughts | what are some consequences of droughts? | null | null | Multiple Choice | a. Soil loss, b. Trees in forests die., c. Ecosystems damaged., d. All of these. | d |
9,063 | NDQ_004799 | heat waves and droughts | more people die in heat waves than in blizzards, tornadoes or hurricanes. | null | null | Multiple Choice | a. True, b. False | a |
9,064 | NDQ_004830 | hot springs and geysers | hot springs are cooler than geysers. | null | null | Multiple Choice | a. True, b. False | b |
9,065 | NDQ_004831 | hot springs and geysers | hot springs or geyers are created when | null | null | Multiple Choice | a. Water comes into contact with hot rock., b. Water enters and leaves a magma chamber., c. Water travels along an earthquake fault., d. Water bubbles up from the mantle. | a |
9,066 | NDQ_004832 | hot springs and geysers | bison use the hot springs in yellowstone to stay warm in the winter because the hot springs do not freeze. | null | null | Multiple Choice | a. True, b. False | a |
9,067 | NDQ_004833 | hot springs and geysers | this results when water that is trapped becomes superheated until finally the pressure builds enough for it to break the seal of the earths crust. | null | null | Multiple Choice | a. An earthquake, b. A hot spring, c. A geyser, d. A hot pool | c |
9,068 | NDQ_004834 | hot springs and geysers | geysers | null | null | Multiple Choice | a. Are water that bubbles from the ground, similar to hot springs., b. Erupt because superheated water is trapped until the pressure builds enough for the, c. Are found in most states in the continental U.S., d. Erupt frequently and on a predictable schedule. | b |
9,069 | NDQ_004835 | hot springs and geysers | as far as the worlds geysers go, | null | null | Multiple Choice | a. Nearly all are found in Iceland., b. Nearly all are found in the Hawaiian Islands., c. Half are found in the East African Rift., d. Half are found in the United States. | d |
9,070 | NDQ_004836 | hot springs and geysers | old faithful geyser is noteworthy for the frequency and predictability of its eruptions. | null | null | Multiple Choice | a. True, b. False | a |
9,071 | NDQ_004837 | hot springs and geysers | hot springs are only found in the tectonically active western united states. | null | null | Multiple Choice | a. True, b. False | a |
9,072 | NDQ_004838 | hot springs and geysers | at least two of the hot spring areas in the continental u.s. are | null | null | Multiple Choice | a. Above supervolcanoes, b. Found in the Rocky Mountains., c. Near subduction zones., d. The hottest hot springs in the world. | a |
9,073 | NDQ_004839 | hot springs and geysers | the heat that creates the geysers at yellowstone national park is due to | null | null | Multiple Choice | a. Subduction of an oceanic plate beneath the area., b. Heat from the inner core., c. A hotspot beneath the area., d. Solar energy. | c |
9,074 | NDQ_004840 | how fossilization creates fossils | collections of fossils are known as | null | null | Multiple Choice | a. Fossil collections, b. Fossil assemblages, c. Ecosystem collections, d. Ecosystem assemblages | b |
9,075 | NDQ_004842 | how fossilization creates fossils | nicholas steno in 1666 said that fossils were once part of living creatures because fossils from far inland looked like the teeth of a freshly caught great white shark. | null | null | Multiple Choice | a. True, b. False | a |
9,076 | NDQ_004843 | how fossilization creates fossils | marine fossils found in tall mountains were | null | null | Multiple Choice | a. Once part of living creatures., b. Washed up during the biblical flood., c. Formed within the rocks as the result of mysterious forces., d. Of unknown origin. | a |
9,077 | NDQ_004844 | how fossilization creates fossils | almost every single organism that has ever lived became a fossil. | null | null | Multiple Choice | a. True, b. False | b |
9,078 | NDQ_004845 | how fossilization creates fossils | which will more likely result in a fossil? | null | null | Multiple Choice | a. A zebra is attacked by a pride of lions and its meat is all eaten., b. An insect dies in a grassy area., c. Hard shelled marine organisms die and are rapidly buried by sediment., d. All of the above | c |
9,079 | NDQ_004846 | how fossilization creates fossils | a ______ fossil is left behind when the soft parts have decayed away. | null | null | Multiple Choice | a. Hard, b. Bone, c. Trace, d. Body | d |
9,080 | NDQ_004847 | how fossilization creates fossils | _______ fossils are burrows, tracks, or fossilized coprolites (feces). | null | null | Multiple Choice | a. Soft, b. Bone, c. Body, d. Trace | d |
9,081 | NDQ_004848 | how fossilization creates fossils | the la brea tar pits in los angeles is an example of an unusual circumstance in which a variety of fossils are preserved. | null | null | Multiple Choice | a. True, b. False | a |
9,082 | NDQ_004849 | how fossilization creates fossils | soft parts of an organism are never preserved so life before the evolution of hard parts is a complete mystery. | null | null | Multiple Choice | a. True, b. False | b |
9,083 | NDQ_004850 | how ocean currents moderate climate | this ocean current helps to moderate the temperature in europe. | null | null | Multiple Choice | a. The Gulf Stream, b. The Labrador Current, c. El Nino, d. The Humboldt Current | a |
9,084 | NDQ_004851 | how ocean currents moderate climate | water in the gulf stream travels along the equator and is cooled as it goes. | null | null | Multiple Choice | a. True, b. False | b |
9,085 | NDQ_004852 | how ocean currents moderate climate | ocean currents transfer energy from the | null | null | Multiple Choice | a. Northern Hemisphere to the Southern Hemisphere., b. Southern Hemisphere to the Northern Hemisphere., c. Equatorial region to the Polar Regions., d. Polar Regions to the equatorial region. | c |
9,086 | NDQ_004853 | how ocean currents moderate climate | which of the following is not true about the gulf stream? | null | null | Multiple Choice | a. It is an enormous river of warm water., b. It raises temperatures in the North Sea and in the air over London., c. It is easy to visualize from space in temperature readings., d. It has a large temperature affect on the eastern United States and Canada. | d |
9,087 | NDQ_004854 | how ocean currents moderate climate | the equator and poles would have even more different climates if it werent for surface ocean currents. | null | null | Multiple Choice | a. True, b. False | a |
9,088 | NDQ_004855 | how ocean currents moderate climate | quebec, canada and london, england have different climates because they are at different latitudes. | null | null | Multiple Choice | a. True, b. False | b |
9,089 | NDQ_004856 | how ocean currents moderate climate | the energy in the gulf stream could supply the world with energy 100-times over. | null | null | Multiple Choice | a. True, b. False | a |
9,090 | NDQ_004857 | how ocean currents moderate climate | what would happen to the climate of northern europe if the gulf stream stopped flowing? | null | null | Multiple Choice | a. It would remain the same., b. It would get much colder and would snow instead of rain., c. It is impossible to know., d. It would get much colder with more rain. | b |
9,091 | NDQ_004858 | how ocean currents moderate climate | the gulf stream flows up the eastern u.s., but it has a much greater effect on the climate of northern europe. why? | null | null | Multiple Choice | a. The prevailing winds at those latitudes are from east to west., b. When it gets to Eurasia, it meets the North Sea and mixes with that colder water., c. The prevailing winds at those latitudes are from west to east., d. None of these. | c |
9,092 | NDQ_004859 | how ocean currents moderate climate | london gets a lot of rain because | null | null | Multiple Choice | a. The Gulf Stream warms the air above it so that it can hold more moisture, which it drops, b. The Gulf Stream mixes with the Labrador Current, which causes warm and cold air to mix and precipitate., c. The warm air above the British Isles is hit by the cold air of the North Atlantic and causes there to be rain., d. None of these. | a |
9,093 | NDQ_004860 | human evolution | ________ and modern humans had a common ancestor as recently as about 7 million years ago. | null | null | Multiple Choice | a. Bipedals, b. Hominids, c. Apes, d. Neanderthals | c |
9,094 | NDQ_004861 | human evolution | humans evolved during the later | null | null | Multiple Choice | a. Mesozoic, b. Cenozoic, c. Paleozoic, d. Humanzoic | b |
9,095 | NDQ_004862 | human evolution | humans evolved directly from chimpanzees. | null | null | Multiple Choice | a. True, b. False | b |
9,096 | NDQ_004863 | human evolution | the advantages of being bipedal include the ability to | null | null | Multiple Choice | a. See over grasses., b. Use hands and arms for hunting., c. Better tend for your young., d. All of the above. | d |
9,097 | NDQ_004864 | human evolution | homo sapiens evolved about 200,000 years ago. | null | null | Multiple Choice | a. True, b. False | a |
9,098 | NDQ_004865 | human evolution | homo erectus | null | null | Multiple Choice | a. Was still walking on all fours., b. Developed the first stone tools about 2.5 million years ago., c. Began to develop culture., d. All of these. | c |
9,099 | NDQ_004866 | human evolution | the human ancestor, ______________, lived between 3.9 and 2.9 million years ago, was bipedal and had a brain larger than a chimp. | null | null | Multiple Choice | a. Ardipithecus, b. Australopithecus afarensis, c. Homo erectus, d. Homo sapiens | b |
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