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LAST Science quiz
Terms in this set (20)
Water vapor and carbon dioxide
Which of the following are considered the major greenhouse gases?
The sun's rays strike Earth most directly at the
Melting ice and expansion of heated water
Rising sea levels are a result of
Which of the following does NOT provide clues about Earth's climate in the distant past?
Seawater with a lower ph
When large amounts of carbon dioxide dissolve in the oceans, what is the result?
Which activity is the largest source of U.S. greenhouse gases?
Pumping water out of low-lying coastal areas
Which of the following is NOT an example of a mitigation strategy?
----- refers to surface characteristics of an area, such as the presence of a mountain.
When seawater becomes warmer, its volume -----
Warmer ocean temperatures
----- may lead to the death of algae and coral bleaching
Loss of forests contributes to an increase of ----- in the atmosphere.
The United States ---- sign the Kyoto Protocol.
rising average atmospheric temperatures, changes in precipitation patterns, melting ice, and rising sea levels.
List four examples of evidence that Earth may be warming.
Studying ice cores
What is one example of how scientists study the ancient atmosphere?
Burning of fossil fuels has caused an increased level of greenhouse gases, such as carbon dioxide, in the atmosphere. More carbon dioxide in the atmosphere results in more absorbed heat and a warmer global temperature.
How has the burning of fossil fuels intensified the greenhouse effect?
With increased levels of carbon dioxide in the atmosphere, the amount of carbon dioxide dissolved in the ocean has also increased. When carbon dioxide dissolves in water it forms carbonic acid, which lowers the pH of the water.
Describe how increased levels of carbon dioxide in the atmosphere can lead to more acidic seawater.
Turn off electronic devices that are not being used, unplug appliances that are seldom used, remove food quickly from the refrigerator, and wash full loads of dishes in the dishwasher.
What are 4 ways you can help to conserve electricity in your home?
One limitation of carbon offsets is that there are more potential buyers of offsets than there are sellers.
What is a major limitation of carbon offsets?
storage of capture carbon.
What is carbon sequestration?
Solar energy passes through the atmosphere and strikes the surface of the Earth. Much of the energy is converted to heat. Some of this heat is radiated back to space, some of it is absorbed by greenhouse gases int he atmosphere.
Describe what happens to the energy from the sun that reaches Earth's atmosphere.
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