UNIT 3 — MILESTONE 3,100% CORRECT

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Select the FALSE statement about the benefits and impacts of dams from those listed below. A dam can provide hydroelectric power, which is environmentally safer than burning fossil fuels. A ... dam can provide a means of irrigation to a region with poor or unpredictable rainfall. A dam can create new ecosystems, which increase biodiversity. A dam can provide a dependable water supply for urban or industrial use. CONCEPT Water Supply 2 Which of the following is true about the ecological footprints of the U.S. and developing countries? The U.S. standard of living requires five hectares of land per person, but a developing nation’s standard of living requires 0.5 hectares of land per person. The U.S. standard of living requires 10 hectares of land per person, but a developing nation’s standard of living requires one hectare of land per person. The U.S. standard of living requires two hectares of land per person, but a developing nation’s standard of living requires 0.2 hectares of land per person. The U.S. standard of living requires 15 hectares of land per person, but a developing nation’s standard of living requires 10 hectares of land per person. CONCEPT Human Population Growth 3 Which of the following is currently decreasing because of human population growth and its associated impacts? Levels of biodiversity Temperature of the earth’s surface Overexploitation of fish populations Flooding and drought CONCEPT Population Growth Solutions 4 Lillian always locks the cupboard in which she keeps the chemicals for the swimming pool. She has a curious four-year-old and she knows he wouldn't recognize the pretty colored vials as poison. One day, the pool maintenance person returned to his truck for a moment, and Lillian saw her dog sniffing at the open cupboard. Quickly, Lillian called the dog to her side and she scolded the maintenance person for leaving the open cupboard unattended. Lillian is most concerned about the which of the following factors of the chemicals inside? Toxicity Corrosivity Reactivity Ignitability CONCEPT H azardous Waste 5 Which statement about efforts to address water pollution in the United States is true? Earth Day was originally established with a sole focus on protecting waterways. The state with the most polluted bodies of water has been greatly improved. The Clean Water Act protected water sources but did not address the discharge of pollutants. https://wLwews.scotuhrasnehaerqo.ucaormte/frileo/f65w8a6t2e9r1w8/aEyNsViSn1t0h0e1-cMoiulensttroyner-e3mpdafi/n compromised. CONCEPT E fforts to Address Water Pollution in the United States 6 Choose the true statement about water supply and demand. More than three billion people do not have access to easily obtainable clean water. One idea to cope with water shortages in developed countries is to make it cheaper. Industry uses approximately half of all available fresh water on Earth. The supply of available clean water is decreasing because glaciers are shrinking. CONCEPT Water Availability 7 People in developed countries consume approximately of all meat. 76% 80% 90% 96% CONCEPT Agriculture Practices 8 Which statement describes the environmental impact of developed countries? These countries use the least amount of the world’s freshwater supply. They have a higher rate of population growth. These countries leave the smallest ecological footprint. They have a lower rate of population growth. CONCEPT Human Population Growth Agriculture Practices W orld Nutrition W ater 9 An off-shore oil operation has spilled oil into the ocean. The oil floats on the water, preventing sunlight and oxygen from reaching the organisms below. All of the following are possible outcomes of this water pollution EXCEPT . organisms become ill or die life cycles are disrupted infectious diseases increase the natural ecosystem is altered CONCEPT W ater Pollution 10 Toxins from chemicals in plastic are being released into the air, causing pollution. Which type of waste disposal most likely caused this phenomenon? Combustion Landfills Composting Ocean dumping CONCEPT S olid Waste 11 Which of the examples below describes an effort to address urban sprawl through urban revitalization? Tons of petroleum-contaminated soil are removed from the site of a former gas station. Community members change an abandoned store into a library. Grass banks with benches line a river running through a city. A new parking lot is constructed to meet shoppers’ needs. CONCEPT Addressing Urban Sprawl 12 Which of the following is NOT a way humans negatively affect groundwater? Humans lower the water table. Humans build dams to provide water for agriculture. Humans build structures with impermeable surfaces. Humans poison the water with chemical runoff. CONCEPT Water Supply 13 Choose the FALSE statement about undernourishment and malnourishment in the world. Producing more meat is the most effective way to increase food access. There is enough food produced on the planet to meet the population’s nutritional needs. Some areas have more food than they can use while other areas don't have enough food. Deforestation can create more arable land to feed more people. CONCEPT W orld Nutrition 14 Which statement below is NOT true about agricultural crops? Subsistence crops include tobacco, rice and latex. Rice and corn provide most human caloric needs. Wheat, rice and corn are the dominant crops. Potatoes and corn are examples of subsistence crops. CONCEPT Agriculture Practices 15 Select the example that describes an environmental cause of famine. A corrupt government is overthrown and the country descends into violence. An area is flooded after heavy rains and all the crops are lost. Local farmers lack the technical expertise to develop new cultivation strategies. A country's population continues to increase but incomes decrease steadily. CONCEPT W orld Nutrition 16 Of the options below, which is an impact of urban sprawl? Loss of farmland Lower home prices Less water consumption Decreased traffic CONCEPT Urban Sprawl in the US 17 Choose the statement that is NOT true about water availability on Earth. 20% of the world’s population lives in an area where water is scarce. Many major aquifers have a notable reduction in available water. More than a billion people do not have ready access to clean water. Industry uses nearly as much water as agriculture does. CONCEPT Water Availability 18 Of the options below, which is an example of a non-point source of water pollution? A limousine company maintains a fleet of 15 cars in a garage. Fertilizer and pesticides run off from the community’s two golf courses. A factory discharges its wastewater directly into the nearby river. A homeowner fails to repair a deteriorating septic tank. CONCEPT W ater Pollution 19 John and Cheryl want to avoid using pesticides as much as possible on their farm. They rotate crops to disrupt insect mating cycles and introduced some common pests’ natural predators into their fields. Their neighbor is trying to keep pests from their crops and gardens too, so they ask John and Cheryl for advice. Of the options listed below, which suggestion is the most effective method for environmentally friendly pest control? Plant several plots of vegetables so one pest can’t destroy all of them. Use only genetically modified seeds. Use compost and other organic farming methods to provide pest protection. Plant aromatic herbs to serve as a natural deterrent to pests. hCttpsO://wNwwC.cEourPsehTero.com/file/65862918/ENVS1001-Milestone-3pdf/ F ertilizers and Pesticides 20 Which statement about agroecosystems is true? Agriculture does not change the natural environment. Agroecosystems are similar to natural ecosystems. Agroecosystems have low species and habitat diversity. Monoculture decreases the use of chemicals. CONCEPT Agriculture Impacts 21 Which of the following is true about the breakdown of water on Earth? 95% of water on Earth is seawater and 5% is freshwater; of that 5%, only 3% is easily available for human use. 98% of water on Earth is seawater and 2% is freshwater; of that 2%, only 1% is easily available for human use. 92% of water on Earth is seawater and 8% is freshwater; of that 8%, only 3% is easily available for human use. 97% of water on Earth is seawater and 3% is freshwater; of that 3%, only 1% is easily available for human use. CONCEPT W ater 22 Which of the following is an example of an organic agricultural practice? Eliza adds earthworms to her garden to stimulate the formation of topsoil. Bill uses only natural fertilizers and pesticides. Sadie and her family practice no-till farming. Rick alternates between grazing his livestock in several different pastures and giving them processed feed. CONCEPT Agriculture Impacts 23 Chase collects empty soda cans after the game and takes them to a reprocessing center. Which waste disposal method is Chase practicing? Compost Landfill Reuse Recycle CONCEPT S olid Waste 24 Which of the following is NOT a consequence from the runoff of fertilizers into the water supply? Poisoning of aquifers A lack of nutrients in the soil Contaminated bodies of water Massive algal blooms CONCEPT F ertilizers and Pesticides [Show More]

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