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Chapter 18, Section 3

Chapter 18, Section 3. Human-Environment Interaction. Vocabulary. Niger delta Sahel desertification Aswan High Dam silt. Human Perspective. Desertification of the Sahel. Desertification Overgrazing Farming Wood for fuel Increased salt levels in soil.

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Chapter 18, Section 3

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  1. Chapter 18, Section 3 • Human-Environment Interaction

  2. Vocabulary • Niger delta • Sahel • desertification • Aswan High Dam • silt

  3. Human Perspective

  4. Desertification of the Sahel • Desertification • Overgrazing • Farming • Wood for fuel • Increased salt levels in soil

  5. Harming the Environment in Nigeria • Drilling the Delta • 6th leading producer • Problems • Spills • Explosions • Theft • Government reforms

  6. Controlling the Nile • Taming the “Gift of the Nile” • Aswan Dams • Dependable flow • Problems • No more silt • Salinity • Malaria • Success or failure?

  7. 7. Which of the below are causes of desertification of the Sahel? • a. Overgrazing • b. Increased levels of farming • c. Cutting of firewood • d. all of the above

  8. 8. Which of the below is NOT a problem associated with oil production in Nigeria? • a. air pollution • b. explosions • c. respiratory diseases • d. desertification

  9. 9. Which of the following is NOT a benefit of the Aswan High Dam? • a. annual deposits of silt over the Nile river flood plain. • b. a steady flow of water for irrigation. • c. the ability to bring more land under cultivation. • d. it help to avoid flooding.

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