Cumulative Exam — Cumulative exam Answers

Which of the following is a difficulty associated with environmental protection?a.costb.unpredictabilityc.sustainabilityd.all of the above

Forest management practices can reduce the negative impact of wood harvesting.

Pollution in the _______ will have the greatest effect on human health.a.troposphereb.stratospherec.mesosphered.thermosphere

Which of the following is the most important factor in achieving sustainability?a.ending nonrenewable resource useb.agricultural practicesc.resource managementd.ending pesticide use

Which is most likely a source of air pollution?

How can the use of biotechnology lead to an increase in soil conservation practices?a.Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality.b.Biotechnology use can lead to soil compaction, preventing erosion.c.Biotechnology use can increase the amount of management required for agriculture, increasing the likelihood of the practice of soil conservation.d.All of the above

Which of the following could cause a habitat change?a.introduction of an invasive speciesb.a wildfirec.a mudslided.all of the above

Which of the following aspects of society is the least affected by limiting factors?a.locationb.healthc.behaviord.stability

What is the most important consideration for environmental policy makers?a.popular opinionb.environmental healthc.costd.none of the above

The increase in the population of people living in urban areas will cause a decrease in urban sprawl.

Which of the following can be reduced by the use of renewable energy sources?a.social costsb.economic costsc.environmental costsd.all of the above

Which of the following best explains why marine debris is not caused solely by countries bordering the ocean?a.Marine debris mostly originates from oceangoing ships.b.Debris is carried to the ocean by winds, rivers, and storms.c.Marine debris originates from natural sources.d.None of the above

The principle difference between point source and nonpoint source water pollution is _______.a.whether the pollution is organic or inorganicb.the number of sources of pollutionc.the amount of pollutiond.whether it is from commercial or agricultural sources

Zoning laws establish _______.a.what types of buildings can be built in an areab.the uses an area of land can be put toc.who can live in an aread.the types of business that can occupy a building

It is important for _______ to participate in conservation efforts.a.governmentb.businessc.citizensd.all of the above

Which of the following groups of individuals is at the highest risk for environmentally induced health risks?a.infantsb.teenagersc.college studentsd.adults

Which of the following best explains why soil conservation is important to human agriculture?a.Erosion prevention prevents millions of dollars in damage from mudslides.b.It is easier to prevent the degradation of old soil than it is to generate new soil.c.If the soil salinity gets too high crops will not be able to grow in it.d.Soil contamination is a hazard to human and animal health.

Which of the following statements about wetlands is not true?a.There is more than one type of wetland.b.Wetlands can contain either freshwater or saltwater.c.Wetlands exist in a small range of climates.d.Wetlands support a variety of organisms.

Desalination has no known negative impacts on the environment.

While an important source of freshwater, groundwater is not as widely used as rivers and springs.