Across
- 5. petroleum that wasn't processed
- 6. Areas of flat land covered with a layer of salt.
- 7. to safe water and allowing water to drip to the plants.
- 8. A desert where there is water
Down
- 1. water that stayed for a really long time
- 2. removal of salt from ocean water
- 3. Well known as the Empty Quarter
- 4. Where crude oil is moved to