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pretest_key - Pretest Not graded for evaluation purposes...

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Pretest Not graded – for evaluation purposes only ATOC 1060 Our Changing Environment Jamison A. Smith, Ph. D. jamison.smith@colorado.edu 1. The greenhouse effect is… a. a potential environmental disaster b. the result of natural gases present in a planet’s atmosphere c. the result of the emission of carbon dioxide (CO 2 ) from the burning of fossil fuels d. enhanced by the human introduction of fertilizers into the Earth’s ecosystems 2. The most important greenhouse gas in Earth’s atmosphere is… a. oxygen (O 2 ) b. carbon dioxide (CO 2 ) c. methane (CH 4 ) d. water vapor (H 2 O) e. argon (Ar) 3. The most abundant reservoir(s) of heat for creating weather and climate is/are… a. the continents b. the oceans c. the atmosphere d. carbon dioxide (CO 2 ) e. tropical rainforests 4. Geological processes (such as plate tectonics, erosion and vulcanism)… a. help control the amount of carbon dioxide (CO 2 ) in the atmosphere b. can damage the ozone layer c. are too slow to counteract global warming d. all of the above e. none of the above 5. The dinosaurs became extinct because of… a. the destruction of the ozone layer b. disease c. a run-away greenhouse scenario d. a meteor impact
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6. The Earth’s surface… a. can not possibly freeze over, especially because of the current emission of carbon dioxide (CO 2 ) from the burning of fossil fuels b. has probably frozen over completely in the past
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This note was uploaded on 05/06/2008 for the course ATOC 1060 taught by Professor Keen,richa during the Spring '07 term at Colorado.

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pretest_key - Pretest Not graded for evaluation purposes...

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