Exam 18: Global Climate
Exam 1: Earth and Its Atmosphere100 Questions
Exam 2: Energy - Warming the Earth and the Atmosphere100 Questions
Exam 3: Seasonal and Daily Temperatures99 Questions
Exam 4: Atmospheric Humidity100 Questions
Exam 5: Condensation - Dew - Fog - and Clouds100 Questions
Exam 6: Stability and Cloud Development100 Questions
Exam 7: Precipitation100 Questions
Exam 8: Air Pressure and Winds100 Questions
Exam 9: Wind - Small-Scale and Local Systems99 Questions
Exam 10: Wind - Global Systems100 Questions
Exam 11: Air Masses and Fronts100 Questions
Exam 12: Middle Latitude Cyclones100 Questions
Exam 13: Weather Forecasting100 Questions
Exam 14: Thunderstorms100 Questions
Exam 15: Tornadoes100 Questions
Exam 16: Hurricanes100 Questions
Exam 17: Earths Changing Climate100 Questions
Exam 18: Global Climate100 Questions
Exam 19: Air Pollution100 Questions
Exam 20: Light - Color and Atmospheric Optics100 Questions
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The use of global-scale technological fixes to counter climate change by either removing greenhouse gases from the atmosphere or by changing the amount of sunlight that reaches Earth is called ____.
Free
(Multiple Choice)
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Correct Answer:
B
The most recent North American glaciers reached their maximum thickness and extent between about 26,000 and 20,000 years ago (Ya).
Free
(True/False)
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Correct Answer:
True
What allowed human and animal migration to occur from Asia to North America?
Free
(Multiple Choice)
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Correct Answer:
D
More than ____ percent of the energy trapped by increased greenhouse gases in recent decades has gone into the ocean rather than the atmosphere.
(Multiple Choice)
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Changes in the composition of the atmosphere that cause the Earth's climate to change are one example of a(n) ____________________ cause of climate change.
(Short Answer)
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The northern-latitude warm spell during the current interglacial period, or Holocene epoch, is sometimes called the ____________________.
(Short Answer)
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Describe what the Maunder minimum was, and how it may have related to the Little Ice Age.
(Essay)
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Volcanoes that have the most impact on global climate seem to be those rich in ____.
(Multiple Choice)
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18,000 years ago, huge ice sheets called ____ covered vast areas of North America and Europe.
(Multiple Choice)
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Examining the boron-isotope ratio in ancient ice cores provides a past record of temperature trends.
(True/False)
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Over the Northern Hemisphere, the period from 1983 to 2012 was likely the warmest 30-year period of the last ____ years, according to the IPCC.
(Multiple Choice)
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Everything else being equal, the more CO2 in the atmosphere, the ____.
(Multiple Choice)
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The water vapor-greenhouse feedback represents a positive feedback mechanism.
(True/False)
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According to the 2013 Fifth Assessment Report of the IPCC, the primary source of the increased atmospheric concentration of carbon dioxide since the pre-industrial period results from ____________________ use, with land-use change providing another significant but smaller contribution.
(Short Answer)
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Climate scientists believe that most of the recent global warming is due to increasing levels of ____________________.
(Short Answer)
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Earth's atmosphere is in a warming trend that began around the turn of the ____________________century.
(Short Answer)
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Why might geoengineering proposals pose complex political, financial, and technological challenges?
(Essay)
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Provide evidence that the average warming experienced over the globe has not been uniform over the past 100 years.
(Essay)
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The continental ice sheets over North America disappeared ____.
(Multiple Choice)
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If the number of sulfate aerosols inside a cloud should increase, the cloud would have to share its available moisture with the added nuclei, and ____ cloud droplets would be produced.
(Multiple Choice)
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