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ENV 100T Assignment Week 3 Wileyplus Exam (June, 2019)
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ENV 100T Assignment Week 3 Wileyplus Exam (June, 2019)

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Question 1 Correct answer. Your answer is correct. When do earthquakes occur? Entry field with correct answer During rockfalls. When rocks shift or break and allow magma to push up words, releasing energy and heat. As rocks shift or break releasing energy vibrations that travel to the earth’s surface. Rocks shift displacing water that results in tsunamis. Question 2 Correct answer. Your answer is correct. Which of the following statements about the nature of global mineral use is FALSE? Entry field with correct answer Highly developed nations like the United States and Canada have less than 6% of the world population but consume more than 25% of the world’s metals. Many of the world’s top mineral producers are highly developed countries such as the United States, Canada, Australia, and Russia. Both mineral production and mineral consumption in China is on the rise as the country industrializes – for example, China both produces and consumes about 34% of the world’s primary aluminum (aluminum obtained from ores). No false statement, all statements are true about the nature of global mineral use. Question 3 Correct answer. Your answer is correct. Contour plowing, strip cropping, and terracing are soil conservation methods that are BEST suited to which of the following situations? Entry field with correct answer Arid soils prone to salinization Nitrogen depleted soils Reclaimed mine areas Soils located on slopes Question 4 Correct answer. Your answer is correct. Why might an environmentalist argue that gold is an expensive metal? Entry field with correct answer Because gold is more valuable than titanium or platinum. Because the demand for gold is skyrocketing due to increasing wealth in developing countries. Because gold supplies are mostly depleted so prices are higher. Because huge quantities of water are used. Question 5 Correct answer. Your answer is correct. The Earth’s outermost rigid rock layer the ___ is composed of plates that float on the ___, the region of the mantle where rocks become hot and soft. Entry field with correct answer upper mantle…inner core asthenosphere…lower mantle plate boundary…lithosphere lithosphere…asthenosphere Question 6 Correct answer. Your answer is correct. What is the most likely source of sediment accumulation in a stream adjacent to a farm field? Entry field with correct answer Eutrophication Soil erosion Acid mine drainage Salinization Question 7 The layer of soil that contains mostly weathered parent material is ___ or the ___. Entry field with incorrect answer topsoil…A-horizon. subsoil…B-horizon. weathered parent material…C-horizon. litter…O-horizon. Question 8 Correct answer. Your answer is correct. On the map below the red, blue and yellow lines show ___ and the arrows indicate the ___. Entry field with correct answer the seven major plates…plate boundaries historical location of the continents…the directions in which the continents are moving three types of plate boundaries…the directions of plate movements the locations of upper, lower, and inner mantle…plate tectonics Question 9 Correct answer. Your answer is correct. The Conservation Reserve Program (CRP) is a voluntary subsidy program that pays farmers to stop producing crops on highly erodible farmland. Instead farmers are required to: Entry field with correct answer strip crop native plants with grain crops on the erodible land plant native grasses or trees on the highly erodible land and then “retire” it from further use for 10 to 15 years develop and adopt a 5-year conservation plan for their farms that includes erosion-control measures, and if they do not comply, they lose federal agricultural subsidies such as price supports plant shelterbelts to reduce the impact of wind erosion Question 10 Correct answer. Your answer is correct. In one tree harvesting model called ___, in the first year of harvest, undesirable tree species and dead or diseased trees are removed and then subsequent harvests occur at intervals of several years, allowing time for remaining trees to grow. Entry field with correct answer clear-cutting even-age harvesting selective cutting shelterwood cutting Question 11 Correct answer. Your answer is correct. Which of the following can be found in U.S. National Parks? Entry field with correct answer Significant modern architecture. Economically significant areas or buildings. Historic battlefields. Farm land. Question 12 Correct answer. Your answer is correct. Which of the following statements regarding rangelands in the United States is TRUE? Entry field with correct answer Approximately 50% of the total land area in the United States is rangeland, and most of it is located east of the Mississippi. The condition of U.S. rangelands which declined starting in the 1930s, at the time of the Dust Bowl, have continued to be on the decline largely due to the lack of federal legislation. Public rangelands in the U.S. are managed by the National Park Service with a preservation mandate and thus cannot be used for grazing private livestock. Restoration of degraded rangeland in the U.S. is a slow and costly process but effective as a result of techniques that include seeding in places where plant cover is sparse or absent, conducting controlled burns to suppress shrubby plants, constructing fences to allow rotational grazing, and controlling invasive weeds. Question 13 Correct answer. Your answer is correct. What is the relationship of overgrazing to desertification? Entry field with correct answer Overgrazing is the destruction of a grassland ecosystem; desertification is the destruction of a desert ecosystem. Overgrazing results in barren exposed soil; if erosion continues, it contributes to desertification. Overgrazing is brought about by livestock operations; desertification is brought about by crop cultivation. Overgrazing and desertification are both a result of the introduction of non-native species coupled with extended droughts. Question 14 Correct answer. Your answer is correct. Which of the following statements about the Forest Stewardship Council is TRUE? Entry field with correct answer The FSC is a German organization that acts as a legitimate third party in certifying wood that is harvested using environmentally sound and socially responsible practices. FSC certification is based on the sustainability of the timber resource, socioeconomic benefits provided to local people, and maintenance of forest ecosystem health. FSC is criticized by some who are skeptical about the reliability of FSC investigations and the economic viability of this type of forestry. All of the statements are true. Question 15 Correct answer. Your answer is correct. What is an important ecosystem service provided by forests? Entry field with correct answer They fix large amounts of oxygen, removing it from the atmosphere They promote soil erosion They maintain watersheds They provide habitat for a few animal species Question 16 Your answer is correct. The photo below BEST illustrates: a wildlife corridor a clear-cut rangeland tundra Question 17 Correct answer. Your answer is correct. A legal agreement that protects privately owned rangelands, forests or other property from development for a specified number of years is termed: Entry field with correct answer a public rangeland. a national park. a conservation easement. a wildlife corridor. Question 18 Your answer is correct. In terms of sustainable agriculture, what is being done at point A in the diagram below to minimize commercial inorganic fertilizer inputs? 1. using monoculture to minimize different forms of fertilizers needed 2. using legume-based crops for nitrogen fixation 3. using flat land to control fertilizer runoff 4. using animal manure 1 only 2 only 3 only 4 only 2 and 4 Question 19 Your answer is correct. Which of the following is not a serious concern with the type of pesticide application illustrated below? harming species other than the ones for which the pesticide is intended inability of the pesticide to readily break down into safe materials such as water, carbon dioxide, and oxygen mobility of the pesticide through water runoff pest species evolving genetic resistance to pesticides ease of application to ensure that all plants are equally treated with pesticide Question 20 The main cause of undernutrition is Entry field with incorrect answer a shift from eating grains to eating processed foods. lack of access to adequate nutritional guides. poverty. the proliferation of monoculture practices. unsanitary cooking of food. Question 21 Correct answer. Your answer is correct. A potential benefit of genetic engineering is the development of crop plants Entry field with correct answer resistant to viral diseases, drought, heat, or herbicides. with genes that can spread to wild relatives of crop plants. that contain no allergens. that grow in a crop circle. that require sunlight and water to grow. Question 22 Correct answer. Your answer is correct. The condition in which people live with chronic hunger and malnutrition is ___. Entry field with correct answer food crisis subsistence agriculture famine bioaccumulation food insecurity Question 23 Correct answer. Your answer is correct. If pesticide from a farm runs off into Lake Michigan, which organism in the lake’s food chain would test highest for the pesticide? Entry field with correct answer macroinvertebrates (shrimp) zooplankton (microscopic animals) phytoplankton (algae) forage fish (perch) fish eaters (birds) Question 24 Correct answer. Your answer is correct. What is the green revolution? Entry field with correct answer the storage of germplasm in seed banks development of high-yield crops that require intensive industrial cultivation methods agricultural production that does not use pesticides, irrigation or artificial fertilizers a shift from industrialized agriculture to subsistence-oriented croplands a renovation of agricultural practices to decrease the amount of calories produced per acre Question 25 Correct answer. Your answer is correct. Integrated pest management incorporates all of the following methods except Entry field with correct answer crop rotation. antibiotic application. disease-resistant crop varieties. pheromone traps. limited use of pesticides.

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