Across
- 2. natural decay from wind or water
- 3. ______ cancer (effects one in eight women)
- 5. intelligent primates
- 6. reefs of a hard stony substance in which fish live
- 10. drug that is injected to prevent cancer
- 11. underground lava
- 12. hereditary
- 16. medical care
- 17. ailment
- 18. communities of microscopic organisms
- 20. space agency
Down
- 1. drone that explores planetary bodies remotely
- 4. vitamin pill
- 7. agency that regulates food and drugs
- 8. at risk of extinction
- 9. element number 30
- 13. sugary liquid produced by plants
- 14. the lack of something needed
- 15. densely populated Asian country
- 19. the red planet