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Across 5. a natural mineral containing chemical compounds often used in fertilizers. 9. to adapt plants and animals from the wild for human use 12. to receive or obtain from a specified source 13. rich soil made up of sand and mud deposited by running water 14. a member of a wandering pastoral people 16. having to do with the matter at hand

Down 1. a fixed limit or extent that typically follows straight lines 2. later; following after another event 3. member of the nomadic peoples of North Africa and Southwest Asia 4. underground water-bearing layers of porous rock, sand, or gravel 6. an ancient writing system used in Egypt 7. a belief in the right of a nation to be an independent state 8. most important, consequential, or influential 10. to present 11. one associated with another; especially in an action 15. in the desert, a streambed that is dry except during a heavy rain