Unit 3 Test Review
Quiz by Amanda Wood
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24 questions
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- Q1Which of the following is an advantage of recycling garbage over burying waste in landfills or incinerating trash?Generates energySaves raw materialsLowers costReduces volume by 90%30s
- Q2Public water utilities enforce regulations to control pollutants discharged from commercial and home users. If not monitored, they can discharge pollutants such as dangerous chemicals, heavy metals, cyanides, toxic organics, and acidic or basic wastes from industrial operations. According to the information and diagram shown above, why would these pollutants not be allowed into the wastewater treatment system?They could kill or reduce the effectiveness of the bacteria used in the treatment plants.They could collect in the water treatment plant and become toxic to workers.They could create leaks in the collection sewer lines, contaminating groundwater.They could clog private sewer lines and back up into homes.30s
- Q3Which of the following is a unique characteristic of photovoltaic solar cells compared to other sources of energy?Photovoltaic cells are the only source that can be installed in a single home.Photovoltaic cells are the only source that uses energy that originates from the Sun in the production of electricity.Photovoltaic cells are currently the most cost effective energy source.Photovoltaic cells are the only source that does not use mechanical energy at any point in the production of electricity.30s
- Q4Which of the following non-renewable sources of energy has the least impact on the atmosphere?OilNuclearCoalNatural gas30s
- Q5Which of the following renewable sources of energy is impacted the least by weather?SolarGeothermalWindHydroelectric30s
- Q6A teacher decides to have her students plant trees to help restore the habitat of a local forest. It is most important for students to ―plant the same native trees that were previously in the forest to avoid disruption of the ecosystemremove all other plants in the area to give the trees a chance to growremove all decaying organic material to prevent contamination of the soilrelease native animals into the forest simultaneously to restore the entire ecosystem30s
- Q7Which of the following human activities would have the most positive effect on the environment?Visiting countries on different continents to observe their endangered species and learn about local efforts to preserve themUsing a dragnet to gather large amounts of fish efficiently and minimize the time that a boat is at seaUsing a small personal watercraft instead of a large boat to enjoy a day on the lakeIssuing fishing regulations and licenses based on local conditions and fish population dynamics30s
- Q8Which environmental impact of small personal watercraft would have the most long-term damaging effect on the environment?The effect on waterfront erosion from docking during a single day’s use of a small personal watercraft.The effect on water quality from the from fuel used during a single day’s use of a small personal watercraft.The effect on water quality from the use of sunscreen used during a single day’s use of a small personal watercraft.The effect on native species from the introduction of invasive zebra mussels that were transferred during a single day’s use of a small personal watercraft.60s
- Q9During the last 50 years, the annual world seafood catch has more than quadrupled, as fishing fleets have added new technologies and ventured into unexploited regions. This year, fishermen removed about 170 billion pounds of wildlife from the sea. Studies show that our current rates of removal could lead to the collapse of global fisheries. The above graph shows the condition of the remaining fish populations in the world’s oceans. Which of these management practices is the most logical first step for the average citizen concerned about maintaining sustainable fisheries?Set and enforce tough quotas on size and number of fish that can be caughtCreate large, marine-protected areas, similar to national parks, to protect fish speciesDesign and legislate the use of devices that prevent bycatchPurchase sustainably caught fish and shellfish60s
- Q10During the last 50 years, the annual world seafood catch has more than quadrupled, as fishing fleets have added new technologies and ventured into unexploited regions. This year, fishermen removed about 170 billion pounds of wildlife from the sea. The above graph shows the condition of the remaining fish populations in the world’s oceans. According to this graph, what percentage of the global marine stocks had been fished to, or past, their limits?77%1%17%52%60s
- Q11New buildings often reduce the amount of water absorbed into the ground. Which of the following innovations would improve ground water absorption in the development of a new mall compared to conventional building methods?Rainwater collection on the roofPorous asphalt in the parking lotReverse osmosis water filtration systems for drinking fountainsGray water recycling in the restrooms60s
- Q12DDT is an insecticide that was banned in the United States in 1972 because it has been shown to cause cancer and negative environmental impacts. In recent years, some scientists have argued that DDT should be used again despite the possible health effects. What argument would justify the removal of a ban on DDT?Advancements in cancer research have minimized the negative health impact of DDT use.The health risks caused by insect borne illness outweigh the health and environmental risks posed by DDT in some instances.Environmental conditions have improved since 1972, reducing the impact on the environment of DDT use.Additional chemicals have been developed to reverse the negative effects on health and the environment caused by DDT.60s
- Q13Lignite coal is strip mined in Texas to operate the coal-fired electrical power plants. Often, five tons or more of earth must be moved to remove one ton of lignite. One method of lessening the environmental impact of strip mining is to —only mine during the evening hoursfeed and care for the animals displaced by the minerequire that the landscape and vegetation of mined lands be restoredmine only nontoxic materials60s
- Q14Leaving the ground exposed after harvest and plowing it during planting season erodes the soil. Which of the following statements best describes the likely effect on fertility of the land year after year?Erosion will have little to no effect because the farmer will rotate crops year after year to maintain the properties of the soil that support plant growth.Erosion will make the land less fertile because the topsoil generally has better properties for supporting plant growth than the soil underneath.Erosion will make the land more fertile because the soil underneath will have unused nutrients that the eroded soil did not have.Erosion will have no effect because the soil underneath has the same properties as the eroded soil.60s
- Q15Forests are essential to the survival of life on Earth, providing oxygen, clean water, shelter, fuel, and food. Rampant global consumption and illegal logging has put a heavy strain on this natural resource. If logging is conducted responsibly, ecosystems are protected. Which one of these statements is not an example of a sustainable forestry practice?Growing and harvesting a diversity of high-quality timber instead of short-term, monoculture pulpwood productionHeavy use of pesticides that kill insects and increase productivityGreatly increasing paper recycling to reduce the demand for pulpwoodUsing methods of logging that minimize soil erosion and compaction60s
