Iss 310 Exam 2B - Points Awarded Points Missed Percentage...

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Points Awarded  47 Points Missed  3 Percentage  94% Lesson 5; display 13 1. The primary cause of year-to-year precipitation variability in the Sahel is: A. land use change from herding to farming. B. population growth in and near the region. C. the position of Hadley cells. D. construction of dams on the Nile River. Lesson 5, pp. 4 and 12 Points Earned: 1/1 Correct Answer: C Your Response: C 2. The Sahel's ecology and society are largely a reflection upon its climatic regime. This regime is  characterized by seasonal migrations of the STH and ITCZ, as well as the region's proximity to the  highly variable ITCZ, which brings ___________ during summer months. A. east atlantic oscillations B. precipitation C. aridity D. tremendous tropical cyclones Lesson 5, pages 11-14 Points Earned: 1/1 Correct Answer: B Your Response: B 3. Air within the ITCZ is generally _______. As a result, the air _______ and forms ________. A. cool and light; ascends; waves B. warm and light; ascends; clouds C. cool and heavy; descends; waves D. warm and light; descends; clouds Lesson 5, page 7 Points Earned: 1/1 Correct Answer: B
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Your Response: B 4. What is the name of the three-dimensional atmospheric circulation cells that are located roughly  around 0 and 30deg N and S latitudes (one cell in each hemisphere)? A. Humboldt cells B. Canary Current cells C. Hadley cells D. Southern Oscillation cells Lesson 5, pages 4-9 Points Earned: 1/1 Correct Answer: C Your Response: C 5. Hypothetically: One acre in "Boom Town" (USA) currently has the carrying capacity of 100 people.  Boom Town is projected to experience a significant population boom by the year 2010. The town  will need to increase its carrying capacity to 250 people per acre prior to the anticipated population  increase. In order for one acre in Boom Town to increase the number of people it can support, all  of the following could be done,  except : A. plant genetically engineered crops to produce higher agricultural yields. B. use existing agricultural land more efficiently to increase agricultural yields. C. construct irrigation systems, which could increase agricultural productivity to feed more  people/livestock. D. rely on advances in medical technology to increase livestock numbers and prolong the life  expectancy of the town's original population, without increasing agricultural productivity in any  way. Lesson 5, p 15 Points Earned: 1/1 Correct Answer: D Your Response: D 6. The emergence of colonialism in the western Sahel resulted in the disruption of the pre-existing  human-environment interactions. Which of the following is  NOT  an impact of this disruption? A.
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Iss 310 Exam 2B - Points Awarded Points Missed Percentage...

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