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GENV 205 WEEK 8 Chapter 14 QUIZ
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1) If the ice cap at the North Pole continues to shrink, which of the following is NOT a likely outcome?
Polar bears could decline or become extinct. 
Seal populations would likely increase. 
Arctic fox populations would be negatively affected. 
Penguin populations would increase. 
Indigenous people would lose a food source. 
2) Which of the following poses the greatest threat to polar bears?
Tainted seal meat 
Global warming 
3) Which of the following molecules is NOT considered a greenhouse gas?
Carbon dioxide 
4) Which of the following phenomena is a major cause of increasing greenhouse gas production?
A weakening economy leading to less efficient energy usage 
An increasing global population, which is also becoming increasingly affluent 
A more intense Atlantic hurricane seasons 
A thinning of stratospheric ozone, causing an increase in UV radiation 
Higher evaporation rates due to greater area of impervious surfaces 
5) An increase in the concentration of greenhouse gases in the troposphere will lead to the reduction in heat radiated back to space in the form of
infrared radiation. 
visible light. 
gamma radiation. 
ultraviolet light. 
cosmic rays. 
6) Which of the following best describes the class of compounds known as chlorofluorocarbons (CFCs)?

I. Volcanic eruptions release them into the atmosphere.
II. They are known ozone depleters.
III. They were targeted for banning in 1987 as part of the Montreal Protocol.
I only 
II only 
I and III 
II and III 
I, II, and III 
7) Excluding anthropogenic sources of greenhouse gases, greenhouse warming can be considered
a necessary temperature moderating mechanism. 
detrimental to sensitive sea life. 
a leading cause in sea level rise. 
responsible for a growing number of threatened and endangered species. 
8) Which of the following fuels would release the most carbon dioxide in producing a given amount of energy?
Natural gas 
Nuclear power 
9) Which of the following organizations was created by the UN to monitor, understand, and estimate the global impact of climate change?
Montreal Protocol 
Peace Corps 
10) Which of the following nations is responsible for the most carbon emissions on an annual basis?
The United States 
11) Soils contain a large amount of stored carbon. The current and expected increase in temperature is likely to stimulate a positive feedback mechanism driven by
increased plant growth. 
increased activity of decomposers in soils. 
heightened soil erosion. 
soil salinization. 
loss of groundwater recharge. 
12) Which of the following natural disasters in the United States can be at least partly attributed to global warming?
Hurricane Katrina 
Gulf oil spill 
Love Canal 
Exxon Valdez oil spill 
Eruption of Mount St. Helens 
13) Which of the following is NOT an example of how global warming has disrupted living organisms?
Earlier flowering of many plant species 
Mistiming of bird hatching with emergence of insect prey 
pH changes in oceanic waters 
Expansion of the growing season 
Delayed hibernation for terrestrial mammals 
14) An organismal level effect that is partially the result of global warming may be seen in the disassociation of types of algae from their symbiotic hosts. This process is known as
coral bleaching. 
sequential hermaphroditism. 
parasitoid evacuation. 
mutualistic exclusion. 
commensalistic separation. 
15) An attempt at global collaboration in curbing greenhouse gas emissions was demonstrated by the
Clean Air Act. 
Kyoto Protocol. 
Montreal Protocol. 
Natural Resource Defense Council. 
Environmental Protection Agency. 
16) An approach to combating global warming by removing already-emitted greenhouse gas is termed
carbon disassociation. 
thermal stratification. 
carbon sequestration. 
17) Excluding wetlands, an abundant, non-anthropogenic source of methane in the atmosphere is from
domestic livestock. 
sugar cane production. 
photosynthetic activity. 
aerobic soils. 
18) A potential source of natural short-term climate change can be seen with
earthquake activity. 
natural selection. 
ecological succession. 
wetland delineation. 
19) The concentration of which of the following greenhouse gases is LEAST affected by human activity?
Water vapor 
Carbon dioxide 
Carbon monoxide 
20) According to the U.S. Supreme Court, which agreement or legislation gives the EPA the authority to regulate CO2 emissions?
The Clean Water Act 
The Clean Air Act 
The Montreal Protocol 
The Kyoto Protocol 
The Comprehensive Environmental Response, Compensation, and Liability Act

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  • GENV 205 WEEK 8 Chapter 14 QUIZ

    1) If the ice cap at the North Pole continues to shrink, which of the following is NOT a likely outcome? (1pts) Polar bears could decline or become extinct. Seal populations would likely increase. Arctic fox populations would be negatively affect

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