Across
- 4. Mass of plant material or flour
- 5. Decayed organic material
- 7. Animal used for pulling
- 9. Hair of goat or sheep
- 10. Per person
- 11. Secondary Product
- 12. Storage of wealth
- 13. Transplanting between species
- 16. Aritificial DNA
- 19. Acids not synthesized by body
- 20. Prevention of waste
- 21. Large animal skins
Down
- 1. Substance used to kill insects
- 2. Health investigation for humans
- 3. Entertaining sport
- 6. Conversion to metric units
- 8. A pet or domestic animal
- 14. Agency to solve food problems
- 15. Energy
- 17. Fluid from female mammals
- 18. Management of pests