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20 Cards in this Set
- Front
- Back
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Which of the following gases weighs the least? (atomic weight reference O=16, N=14, H=1, C=6)
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water vapor H2O
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Which of the following atmospheric gases is the most abundant in the atmosphere?
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nitrogen
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Which of the following air masses would have the lowest density (least mass per unit volume)?
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hot humid
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The primary reason for atmospheric circulation is....
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unequal heating of the planet
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At what latitude would you generally expect to find the driest conditions on Earth?
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30º
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Surface air currents (trade winds) in the tropics move... (draw a picture to help yourself)
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to the west and toward the equator
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Which of the following conditions is most favorable for glacier formation in the northern hemisphere?
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warm winters and cold summers
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Which of the following is true about glacial ice sheets
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they form very slowly and melt relatively quickly
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Climate cycles with periods of about 100,000 years are probably caused...
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by changes in solar radiation due to orbital variations
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The climate interval between 17,000-11,000 YBP was _______, which caused sea level to________
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warming, rise 400 feet
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Which of the following is true about the greenhouse effect on Earth
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all the above are true
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boundary in the atmosphere along which we would find a strong winter jet stream is...
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the polar front
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The ocean current called the ________along the east coast of U.S. is the ______ and flows ______.
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Gulf Stream, warm, north
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Which of the following provides the energy for severe storm development?
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water vapor rich air
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Which of the following describes atmospheric conditions around low pressure areas?
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rising air, condensation, and clouds
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Current global observations reveal that the most dramatic climate changes are occurring__________?
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in the Arctic
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If global dimming is true what does it mean?
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that we might be underestimating the effect of carbon dioxide in future climate models
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What describes the pan-evaporation rate?
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all the above are true
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How did the 9-11 tragedy play a role in climate studies?
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grounding of airliners allowed for unprecedented atmospheric measurements
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What is the cause of seasons on Earth?
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the steady orientation of the Earth’s axis as we move around the sun
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