| A | B |
| Oasis | Place in the desert where water is present |
| Refinery | place where petroleum in processed into useful products |
| Fertile Cresent | Area of land between the Tigris and Euphrates |
| Drip Irrigation | Method of watering crops using pipe with holes in them |
| Suez Canal | Links the Mediterranean and Red Sea |
| Desalinization | Turning salt water into fresh water |
| Desertification | Land becoming so dry a desert forms |
| Natural Barriers | limit travel trade. Example: Sahara desert |