APES unit 9
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| Watervapor is a greenhouse gas and is produced by burning fossil fuels. However, water vapor does not contribute significantly to global warming because… | Has a short resistance time in the atmosphere
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| Possible effects of a warmer atmosphere include which of the following: (l) Expand ranges of tropical diseases, (ll) More intense hurricanes and typhoons, (ll) Increased crop damage from pests and diseases | l,ll, and lll
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| In models of global warming, the most important factor contributing to an increase in sea level is… | The thermal expansions of the ocean
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| Which of the following is part of a positive feedback mechanism associated with global climate change? | Melting arctic sea ice
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| The increase in mean global temperature is likely to result in all of the following except… | Increased ground-level ultraviolet radiation
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| The zone in which the greatest total mass of CO2 is absorbed from the atmosphere. | B zone
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| All of the following statements about invasive exotic species are true except: | They tend to have low reproductive rates
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| Characteristics that tend to increase the risk of a species becoming endangered include which of the following? I. Having a very limited distribution, II. Being a specialist at the end of a long food chain, III. Having a small population size | l,ll, and lll
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| Which of the following describes the most likely change to the distribution of red pine over the next 200 years? | Red pine distribution will shift northward into Canada.
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| Scientists want to investigate whether the increased concentration of CO2 in the ocean affects fish survival. Scientists suspect immature fish larvae may be most affected by increased carbon dioxide. What identifies a hypothesis for the investigation? | The decreasing pH of the ocean water will decrease the survivorship of fish.
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| The Chemical compound responsible for ocean acidification in the open oceans of the world. | Carbon dioxide and seawater
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| Population biologists are concerned about introduced species, such as the zebra mussel in North America, because… | the introduced species may compete for resources more effectively than native species
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| Which of the following best identifies the reason that chlorofluorocarbons (CFCs) were banned in 1996 by the Montreal Protocol? | CFCs led to the destruction of stratospheric ozone.
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| If the earth had no atmosphere the main surface temperature would be approximately | 0 degrees
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