African Geography I guess

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Across
  1. 3. An African country
  2. 6. A semi-desert
  3. 7. A landform with a flat top
  4. 8. A sea in the middle of 2 continents
Down
  1. 1. A name of an African mountain
  2. 2. A hot & dry area
  3. 4. An East African country
  4. 5. A continent of Earth