ISS 310 exam 2 - Points Awarded Points Missed Percentage 46...

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Points Awarded 46 Points Missed 4 Percentage 92% Lesson 5; display 13 1. In the African Sahel, agriculture depends largely on which of the following? A. the use of Green Revolution techniques B. ability of local aquifer recharge to supply the watering holes for cattle herds C. the annual temperature D. the overall variability of precipitation falling throughout the year Lesson 5, page 12 Points Earned: 1/1 Correct Answer: D Your Response: D 2. The primary cause of year-to-year precipitation variability in the Sahel is: A. the position of Hadley cells. B. construction of dams on the Nile River. C. population growth in and near the region. D. land use change from herding to farming. Lesson 5, pp. 4 and 12 Points Earned: 1/1 Correct Answer: A Your Response: A 3. Which of the following is most commonly used to establish the ecological boundary of the African Sahel? A. tribal-nation boundaries B. international borders C. precipitation amounts (mean annual rainfall) D. herder-farmer interface Lesson 5, page 6 Points Earned: 1/1 Correct Answer: C Your Response: C 4. According to your lesson, land degradation in the Sahel has been accelerated by:
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A. vaccinations, which led to both human and livestock overpopulation. B. development of irrigation systems and motorized wells. C. food supplies during times of drought and famine. D. closing of international borders, which have blocked traditional pastoral migration routes. E. All of the answers above are correct. Lesson 5, pages 11-14, 16 Points Earned: 1/1 Correct Answer: E Your Response: E 5. Climate and vegetation are geographically related. Which of the following climate region -- vegetation type association does not occur? A. Arid climate region -- desert vegetation type B. Mediterranean (Cs) climate region -- steppe vegetation type C. Humid equatorial with no dry season (Af) climate region -- equatorial tropical rainforest vegetation type D. Humid equatorial with dry season (Aw) climate region -- savanna vegetation type Lesson 5, page 10 Points Earned: 1/1 Correct Answer: B Your Response: B 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. the creation of nations or nation-states rather than states B. more political boundaries, including the creation of game reserves and conservation areas C. the hunting of wildlife as a 'sport' D. increased urbanization and the growth of a sedentary lifestyle Lesson 5, p 14 Points Earned: 1/1 Correct Answer: A Your Response: A 7. In part, the Sahelian society historically reflected the region's environmental constraints. Here, societal separation in occupation is also reflected in the region's primary patterns of subsistence, which are ________ and ________.
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A. gardening; transhumance B. agriculture; pastoralism C. factory workers; mining D. herding; extensive agriculture Lesson 5, page 6 Points Earned: 1/1 Correct Answer: B Your Response:
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ISS 310 exam 2 - Points Awarded Points Missed Percentage 46...

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