Unit 3 (Chapter 13 And 14)

24 July 2022
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question
The largest portion of atmospheric gases is _______________.
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Nitrogen
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Which of the following can trap pollutants at ground level and cause dangerous smog?
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Thermal inversions
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Near the equator, the patterns of convection currents are called ____________________.
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Hadley cells
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What is the difference between weather and climate?
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Weather occurs over hours and days, and climate occurs over seasons and years.
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The atmosphere around Earth can cause global warming because ________________.
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Molecules in the atmosphere are warmed by radiation form Earth and retain that heat.
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Carbon dioxide is __________________.
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The main anthropogenic greenhouse gas produced in the United States.
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Growing rice results in the release of ___________ into the atmosphere.
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Methane
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Recent research indicates that the variation in solar output ______________.
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Is less than any of the major anthropogenic factors affecting climate change.
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Earth's climate _________________.
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is changing as a result of natural and human processes.
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Scientist evaluate concentrations of gases and other atmospheric constituents from the distant past by examining which of the following?
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Gas bubbles trapped in ice
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What are sophisticated computer programs that allow scientists to understand how climate systems function and to make predictions for the future?
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Climate models
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The intergovernmental Panel on Climate Change ______________________.
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is an international panel that reports on how climate change influences biomes and economies.
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Why are over one-sixth of the world's people at risk for running out of drinking water?
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Glaciers in many areas are melting.
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What is the planets albedo?
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its ability to reflect light
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This is a main reason that sea levels haven risen recently.
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Thermal expansion
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Tuvalu and the Maldives are in the international spotlight because they ________________.
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May be the first nations to be completely flooded by rising sea levels.
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Hydroelectric power generation________________.
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Is an alternative to fossil fuels that produces fewer greenhouse gases
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What was the first document that called for voluntary reductions of greenhouse gas emissions to 1990 levels by the year 2000?
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The 1992 U.N Framework Convention on Climate Change
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In the wake of the U.S failure to ratify the Kyoto Protocol ____________________.
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Cities and states are setting their own programs for reducing greenhouse gas emissions.
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Which of the following would be a possible geoengineering strategy that could be used to cool the planet?
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placement of colossal mirrors in key locations