Across
- 3. one of richest countries in Africa because of oil
- 6. small groups of nomads in Sinai Peninsula
- 8. Nigeria largest oil producer, reserves in Gabon, Cameroon
- 9. steep face at the edge of a plateau or other raised area
- 13. growth Overcrowding in cities
- 14. Morocco to Tunisia at edge of coastal plain
- 16. worlds largest desert
- 18. intentional destruction of a people
- 19. HIV, life expectancy falling
Down
- 1. dry streambeds that fill with water only after rainfall
- 2. one of world’s largest diamond exporters
- 4. Basin huge, wet tropical lowland in Central Africa
- 5. Unemployment, lack of food
- 7. Djouf desert region in eastern Mauritania and western Mali near Niger River
- 9. a sea of sand created by high, shifting sand dunes
- 10. a gravel covered plain in a desert area
- 11. problems Drought, floods
- 12. system of laws which denied black Africans political rights
- 15. cultural group that lived in North Africa before Arab invaders
- 17. River flows through eastern Sahara, flows north through Egypt to the Mediterranean