Unit 6 Vocab

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Across
  1. 3. farming that provides the basic needs of a family with little surplus
  2. 8. a plain formed by the deposit of sediment over a long period of time by one or more rivers
  3. 10. a lower layer of the rain forest
  4. 13. a large group of people descended from the same ancestor
  5. 14. traditional oral historians, storytellers, singers, and musicians of West Africa
  6. 16. buying and selling on the Internet
  7. 18. diamonds that are mined in war-torn areas and are used to finance wars
  8. 20. illegal hunting
  9. 21. situation in which land is repeatedly farmed so that the soil nutrients are depleted
  10. 24. a hot, dry wind that blows from the northeast or east in the western Sahara
  11. 25. a place for catching fish; the fishing industry
  12. 27. the disposal of waste products
  13. 28. a system in which farmers plant a field for several years until its resources are depleted, then abandon it and clear a new field
  14. 30. water that lies underground and feeds wells and springs
  15. 31. an often triangular-shaped section of land formed as the waters of a river slow down and split into many channels as they deposit sand and silt that has been carried downriver
  16. 33. a large waterfall
  17. 35. a farm crop grown to be sold or traded rather than used by the farm family
  18. 36. to tame
  19. 39. area with conditions suitable for certain plants or animals to live
  20. 41. the migration of people from rural areas to urban areas
  21. 42. native to a place
  22. 43. a crack in Earth’s surface created by the shifting of tectonic plates
  23. 44. the wearing away of soil
Down
  1. 1. a steep cliff or slope between a higher and lower land surface
  2. 2. the population that an area will support without undergoing deterioration
  3. 4. the destruction of land in arid and semi-arid climates
  4. 5. a climate marked by warm, dry summers and cool, rainy winters
  5. 6. pertaining to traditional religious beliefs in which nature and objects, such as animals and mountains, are thought to have spirits
  6. 7. a family unit made up of a husband, wife, and children
  7. 9. a family that is headed by a male family member
  8. 11. the practice of passing down stories from generation to generation by word of mouth
  9. 12. fuel created from living matter, such as trees
  10. 15. a refugee within his or her own country
  11. 17. a common language used among people with different native languages
  12. 18. top layer of a rain forest, where the tops of tall trees form a continuous layer of leaves
  13. 19. an area drained by a river and its tributaries
  14. 22. steppe region extending from Senegal to Somalia that receives little rainfall
  15. 23. a condition created when winds blow in primarily one direction over mountains or other elevated terrain: the altitude change causes clouds to drop their precipitation on the near side of the mountain, leaving the land on the far side, where winds descend, with little rain or snow
  16. 26. growing large quantities of crops or livestock in order to sell them for a profit
  17. 29. the set of systems that affect how well a place or organization operates, such as telephone or transportation systems, within a country
  18. 32. an area in which the properties of the land undergo a radical change
  19. 34. a natural or artificial lake used as a source of water
  20. 37. referring to a mountainous area
  21. 38. a large commercial farm growing crops for export
  22. 40. a crack or break in Earth's crust