Across
- 1. absorbed during photosynthesis
- 4. third main component of NPK
- 6. helps with biological membranes
- 8. involved in the synthesis of chlorophyll
- 9. symbol is Ni
- 10. contributes to the building of cell walls
- 12. essential for protein and oil synthesis
- 13. released as a product from photosynthesis
Down
- 2. first component of NPK
- 3. core of chlorophyll molecule in plant tissue
- 5. builds sugar to produce glucose
- 7. second main component of NPK
- 11. an essential micronutrient