Biology Natural Resources
Across
- 2. Land For Plants
- 4. Atomic Number 6
- 6. Fast Moving Air
- 7. Where Plants Can Grow
- 9. Blanket Of Air
- 14. 78% Of Air
- 16. Heating Water
- 19. Hello, I Am Under The _____
- 20. Nitrogen Fixation Bacteria
Down
- 1. NH³
- 3. Strongest Substance
- 5. NO²
- 8. Respiration
- 10. Littering
- 11. Water Dropping On Earth
- 12. Something Useful
- 13. Fuel For Cars
- 15. NO³
- 17. Atmosphere
- 18. 3 Oxygen Atoms