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100
Why is it important to preserve farmland? a. Farmland provides an important oxygen source for urban areas. b. Farmland moderates the temperature of urban areas. c. Farmland provides crops and fruits to support urban and rural populations. d. All of the above.
What is d. All of the above.
100
What can be done to sustain the productivity of rangeland? a. Limit herd size. b. Eliminate invasive plants. c. Leave the land unused for a time. d. All of the above.
What is d. All of the above.
100
Where do most Americans live? a. in urban areas b. on producing farms c. in rural areas d. There is an equal distribution of people across the land
What is a. in urban areas
100
La Nina is the ______ phase of the El Nino-Southern Oscillation (ENSO) cycle. a. warm b. cold c. neutral d. mixing
What is b. cold
100
Which of the following would occur if Earth were NOT tilted relative to the plane of its orbit? a. Temperatures at the equator would become too hot to sustain life. b. Temperate regions would no longer have seasonal changes in climate. c. All parts of earth would receive sunlight of equal concentration. d. Polar ice caps would melt due to a rapid increase in global warming.
What is b. Temperate regions would no longer have seasonal changes in climate.
200
Environmental damage to wilderness areas a. is partly the result of ranching activities. b. has yet to attract widespread attention. c. may worsen as the U.S. population grows. d. is not related to pollution from urban areas.
What is c. may worsen as the U.S. population grows.
200
Traffic jams, substandard housing, and polluted are and water can be caused by rapid growth in cities, a phenomenon known as a. urbanization. b. urban sprawl. c. urban crisis. d. infrastructure.
What is c. urban crisis.
200
Which of the following has resulted from urban sprawl? a. suburbs b. traffic congestion c. loss of farmland d. all of the above
What is d. all of the above
200
Ultraviolet radiation is particularly dangerous because: a. it can damage genetic material in cells. b. little has been done to save the ozone layer. c. it always leads to the rapid death of organisms. d. All of the above.
What is a. it can damage genetic material in cells.
200
Which of the following does NOT address how oceans affect climatic conditions on land? a. Water cools Earth because it reflects most sunlight. b. Oceans are the source of most water that falls as precipitation. c. Coastal areas have more moderate climates than inland areas. d. Ocean currents redistribute warm and cold masses of water.
What is a. Water cools Earth because it reflects most sunlight.
300
The designation of wilderness areas a. guarantees unrestricted public access. b. historically forbade mining. c. allows only for limited development. d. provides for protected habitats.
What is d. provides for protected habitats.
300
The U.S. Census Bureau defines an urban area as an area that contains more than a. 250 people b. 2,500 people c. 25,000 people d. 250,000 people
What is b. 2,500 people
300
Which of the following is NOT an environmental effect of deforestation? a. reduction of wildlife habitat b. soil erosion c. loss of topsoil d. re-establishment of trees
What is d. re-establishment of trees
300
Chlorofluorocarbon molecules are environmentally significant because: a. their chlorine atoms can destroy many stratospheric ozone molecules. b. they are poisonous, flammable, and corrosive to metals. c. their absorption of lethal solar energy protects Earth. d. they readily break down ozone molecules produced as pollution.
What is a. their chlorine atoms can destroy many stratospheric ozone molecules.
300
An important property of air circulation is: a. Warm air is denser than cold air. b. Cold air and warm air have the same density. c. Cold air is denser than warm air. d. Air has no mass.
What is Cold air is denser than warm air.
400
Given that most people live in urban areas, why should rural areas be preserved? a. They provide crucial infrastructure. b. They provide ecological services. c. They contain greenbelts.
What is b. They provide ecological services.
400
Which of the following is an example of how people use land? a. to harvest wood b. to grow crops c. to preserve native species d. All of the above
What is d. All of the above
400
As the amount of ozone in the stratosphere decreases, a. more ultraviolet light is able to reach Earth’s surface. b. less solar energy is able to reach Earth’s surface. c. the amount of methane in the atmosphere increases. d. the amount of phytoplankton in the ocean increases.
What is a. more ultraviolet light is able to reach Earth’s surface.
400
A true statement about greenhouse gases is that they: a. Convert sunlight into heat energy that warms the Earth. b. Are concentrated in the stratosphere. c. Trap heat that is radiated upward from Earth. d. Are not affected by human activity.
What is c. Trap heat that is radiated upward from Earth.
400
How long will it take for chlorofluorocarbons released from Earth’s surface today to reach the stratosphere? a. 6 months b. 1-2 years c. 3-5 years d. 10-20 years
What is d. 10-20 years
500
Heat islands affect local a. weather patterns. b. water levels. c. traffic patterns. d. harvest patterns.
What is a. weather patterns.
500
Which of the following is a side effect of heat islands? a. drought b. lower temperatures c. lower temperatures and drought d. increased precipitation
What is d. increased precipitation
500
During summer in the Southern Hemisphere, the Northern Hemisphere experiences a. a tilt towards the sun. b. winter. c. summer. d. excess rainfall.
What is b. winter.
500
Which of the following locations would you expect to have a climate with mild temperatures and frequent rain? a. An inland region near the equator. b. An inland region at about 30 degrees latitude. c. A coastal region at about 30 degrees latitude. d. A coastal region at about 90 degrees latitude.
What is c. A coastal region at about 30 degrees latitude.
500
Which of the following correctly states an observation that helps to explain circulation patterns in the atmosphere? a. Cold air rises and warms as it rises. b. Warm air rises and cools as it rises. c. Cold air can hold more water vapor than warm air. d. All of the above.
What is b. Warm air rises and cools as it rises.