front 1 This activity can result in eutrophication of local waters if nutrients are in excess. | back 1 Fertilizer |
front 2 This activity can reduce windbreaks and increase erosion of soil in forested areas. | back 2 Clearcutting |
front 3 This activity can lead to aquifer depletion and soil salinization. | back 3 Irrigation |
front 4 This activity can decrease ground cover and lead to desertification of soil due to activity of livestock. | back 4 Grazing |
front 5 Gold mining can have environmental impacts when the earth around the mine is modified. Which of the following describes an impact from mines once the operation is completed? | back 5 Increased soil exposure after mining increases the percolation of water into the water table. |
front 6 Which of the following indicates an agricultural practice that can reduce the effects of cattle on rangelands? | back 6 no-till agriculture |
front 7 Which of the following practices best aligns with integrated pest management for a homeowner that has rodents in the home and weeds in the garden? | back 7 Introduce a natural predator for the rodents and spray herbicides for the weeds. |
front 8 The process illustrated here can be used in some countries without sufficient freshwater availability. Which of the following best describes the process shown here? | back 8 The process of waterlogging removes contaminants. |
front 9 Soybeans can be often alternated with corn each season to increase the nitrogen content of the soil during incentive agriculture. Which of the following best describes this practice? | back 9 Crop rotation |
front 10 Which of the following describes the affect of urbanization on the microclimate of the area? | back 10 Increased urbanization can lead to a heat island effect. |
front 11 Which of the following shows the calculation for the percentage change in total water usage per day from 1950 to 1980? | back 11 175/325 X 100 |
front 12 Which of the following is most closely associated with surface waters and not groundwater in the United States? | back 12 Surface waters are more commonly used for hydroelectric power as the need for more sustainable electricity sources increases. |
front 13 Growing crops in areas with a gentle slope has the drawback of immense topsoil loss due to erosion. Which of the following agricultural practices could mitigate the topsoil loss best? | back 13 Terracing |
front 14 Which statement illustrates a negative environmental consequence of promoting the use of genetically modified organisms (GMOs) for agriculture? | back 14 GMOs can spread genetically altered traits to the native plant populations. |
front 15 Groundwater can be used for drinking and irrigation. The over-withdrawl of groundwater from beneath the soil without ownership or regulation can be referred to as which of the following concepts? | back 15 Tragedy of the commons |
front 16 Which of the following best describes the changes to the area based on the model shown? | back 16 An increase in impervious structures decreases the amount of infiltration into the soil. |
front 17 A farmer finds that they have slightly acidic soil, which is decreasing the crop yield. Which environmental solution would best adjust the pH of the soil to increase the crop yield? | back 17 Add calcium carbonate to the soil |
front 18 At which lettered location would the likelihood of CAFOs be the greatest? | back 18 C |
front 19 Which of the following statements is a hypothesis that is supported by the data? | back 19 Overharvesting cod populations faster than they can replenish can significantly reduce the natural fish stock. |
front 20 Which of the following statements is supported by the ecological footprint data shown in the graph? | back 20 Nations further in the demographic transitions have an increased number of hectares per capita as an ecological footprint impact. |