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Unit 12 Practice Quiz

Unit 12 Practice Quiz - 1 If you were looking for different...

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1. If you were looking for different types of coal, you likely would find: A. Lignite in the metamorphic rocks of eastern Pennsylvania, and more lignite in the sedimentary rocks of western Pennsylvania. B. Lignite in the metamorphic rocks of eastern Pennsylvania, and anthracite in the sedimentary rocks of western Pennsylvania. C. Bituminous in the metamorphic rocks of eastern Pennsylvania, and lignite in the sedimentary rocks of western Pennsylvania. D. No coal in Pennsylvania. E. Bituminous in the sedimentary rocks of western Pennsylvania, and anthracite in the metamorphic rocks of eastern Pennsylvania. Bituminous is found with sedimentary rocks, but ones that have been squeezed and heated a bit so they are far from being loose sediment; such rocks are common in western Pennsylvania. Anthracite is the most-cooked coal, and is found with metamorphic rocks in eastern Pennsylvania. Pennsylvania has lots of coal, but not much lignite, which would not be found in metamorphic rocks anyway. Points Earned: 1/1 Correct Answer: E Your Response: E 2. Fossil fuels are usually formed from: Where oxygen is present in sediments, bacteria use the oxygen to “burn” organic materials, so oxygen and fossil fuels don’t go together. And, Diet Pepsi is rather resistant to decay, and would not make fossil fuel. Points Earned: 1/1 Correct Answer: D Your Response: D 3. Heating of some materials produces coal. With increasing temperature and time, one observes:
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This is mostly memorization. But the names hide a lot of history, the peat-bog cutters of Ireland, the brown lignites now being mined in Wyoming, the deep-mines and strip- mines of the bituminous coals of western Pennsylvania, West Virginia and elsewhere, and the hard-coal anthracite of the Scranton and Wilkes-Barre region. If you don’t know any of this history, you might consider reading up on it a bit; it is fascinating. Points Earned: 1/1 Correct Answer: B Your Response: B 4. Regarding global warming, most scientists (including those who have advised the United Nations through the Intergovernmental Panel on Climate Change) agree that if we continue to burn fossil fuels at an accelerating rate: A. Climate changes will primarily hurt poor people in warm places, but the climate changes are primarily being caused by wealthier people in colder places.
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