Ch02TBAns - CHAPTER 2 ATMOSPHERE: ORIGIN, COMPOSITION, AND...

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CHAPTER 2 ATMOSPHERE: ORIGIN, COMPOSITION, AND STRUCTURE __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. Weather is a. variable. b. the state of the atmosphere at some place and time. c. usually described in terms of such variables as temperature and wind speed. d. confined mostly to the troposphere. e. All of the above are correct. *e. All of the above are correct. 2. The climate of some locality encompasses a. average weather conditions. b. extremes in weather. c. Both of the above are correct. *c. Both of the above are correct. 3. The scientific method is a systematic form of inquiry that involves a. observation b. speculation c. reasoning. d. experimentation. e. All of these are correct. *e. All of these are correct. 4. A scientific model is an ______ representation of the way a system works. a. exact b. erroneous c. approximate *c. approximate 5. The behavior of a system (such as the Earth-atmosphere system) a. is controlled primarily by random events. b. is governed by well-known natural laws. c. is so variable that it is fruitless to try to model the system. d. can never be predicted. e. is well beyond the realm of human understanding.
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*b. is governed by well-known natural laws. 6. A weather map is an example of a ______ model. a. conceptual b. mathematical c. graphical d. numerical e. physical *c. graphical 7. A global climate model that is run on a computer and used to predict the climatic future is a ______ model. a. conceptual b. graphical c. numerical d. physical *c. numerical 8. The atmosphere is composed of a. a mixture of gases called air. b. mostly nitrogen and carbon dioxide. c. a mixture of gases and suspended aerosols. d. nitrogen and oxygen exclusively. e. mostly water vapor, oxygen, and ozone. *c. a mixture of gases and suspended aerosols. 9. During an early phase of the planet's existence, Earth's atmosphere was similar in composition to the atmospheres of Mars and Venus. At that time Earth's principal atmospheric gas was a. nitrogen. b. carbon dioxide. c. oxygen. d. water vapor. e. argon. *b. carbon dioxide. 10. Source of argon, an inert gas, in the Earth's atmosphere is a. outgassing. b. photosynthesis. c. radioactive decay of an isotope of potassium. d. the ocean. e. photodissociation of ozone.
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*c. radioactive decay of an isotope of potassium. 11. Today, the principal source of atmospheric oxygen is a. outgassing. b. photodissociation of water vapor. c. photosynthesis by plants. d. radioactive decay of soil. e. volcanic eruptions. *c. photosynthesis by plants. 12. Some time in Earth's past, carbon dioxide was an abundant gas in the atmosphere. The primary reason for its subsequent decline was a. removal by photosynthesis. b.
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This note was uploaded on 09/12/2008 for the course GEOS 220 taught by Professor Mountain during the Spring '08 term at University of Louisville.

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Ch02TBAns - CHAPTER 2 ATMOSPHERE: ORIGIN, COMPOSITION, AND...

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