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ENV 100 Assignment Week 3 Wileyplus Exam (January, 2020) New Work

ENV 100 Assignment Week 3 Wileyplus Exam (January, 2020) New Work
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ENV 100 Assignment Week 3 Wileyplus Exam (January, 2020) NEW

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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