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Ch14 ES - Quiz

Chapter 14 Environmental Science Quiz

QuestionAnswer
Greenhouse gases increase planetary temperature by allowing white light to reach the planet's surface but preventing infrared light from being able to leave the atmosphere.
Atmospheric carbon dioxide (CO2) has increased by 37% since 1700. What is the main source of this carbon dioxide? burning of fossil fuels
Ice cores from the Greenland and Antarctic ice sheets have provided scientists studying climate change with what important information? samples of the atmosphere from the last 800,000 years so they can see how greenhouse gases have changed with the planet's climate
The Intergovernmental Panel on Climate Change (IPCC) has concluded that the global average temperature rose 0.74 ºC from 1906 to 2005. What did the IPCC predict about future temperature changes? The temperature will continue to rise and be at least 1.8 ºC higher by the end of the century.
Melting of the Arctic sea ice poses a particularly worrisome threat because once some ice melts, the water absorbs more light, which causes it to heat more and melt more ice.
The IPCC has predicted that because of global climate change, 20–30% of the plant and animal species on the planet will be threatened with extinction. What is the predicted cause of this high rate of extinction? Increases in temperature and loss of precipitation are forcing species to move farther from the equator or to higher elevations to survive. There is a limit to how far and how fast species can move.
The largest two sources of carbon emissions in the United States are transportation and electricity generation.
The greenhouse effect is defined as a warming of Earth's surface by gases that reflect heat back down to the planet rather than allowing it to escape into space.
The predominant greenhouse gas produced by human use of fossil fuels is ( Our Dynamic Climate ) carbon dioxide.
A substance that contributes to atmospheric cooling is ( Our Dynamic Climate ) aerosols (particularly sulfur compounds) and dusts.
The concentrations of greenhouse gases present in the past have been evaluated using ( Our Dynamic Climate ) gas bubbles trapped in ice.
How are the citizens of the Maldives in trouble? ( Our Dynamic Climate ) Eighty percent of their land area is less than 1 meter above sea level.
What is the justification that the proponents of the Kyoto Protocol offer for developing countries having requirements different from those of developed countries? ( Responding to Climate Change ) Developed countries created the current problems, so they should make the sacrifices necessary to clean them up.
What is the value of climate models? ( Our Dynamic Climate ) Models have predictive capabilities and can forecast various scenarios.
Which of these would be an example of mitigation rather than adaptation for global climate change? ( Responding to Climate Change ) building more wind turbines to generate energy from renewable sources rather than fossil fuels
Coral reef communities (which are important for minimizing damage from storm surges) are being harmed by global climate change. Part of the problem is warmer water causing coral bleaching. What is the other problem? As more carbon dioxide dissolves in the ocean, the water becomes more acidic. The acid conditions prevent the coral from building their calcium carbonate exoskeletons efficiently.
When looking at global energy balance, which process is altered the most and is causing global climate change? ( Our Dynamic Climate ) Less energy is leaving the atmosphere to go into space.
In the United States, the two main sources of anthropogenic carbon dioxide are transportation and ( Responding to Climate Change ) electricity generation.
When we look at the historic levels of greenhouse gases, we see that ( Our Dynamic Climate ) levels of methane are higher than they were in 1750.
Created by: Hier snipe
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