Photosynthesis and minerals

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Across
  1. 4. This mineral is needed for fruit and seed development
  2. 7. Nitrates, potassium and magnesium are examples of _______ salts
  3. 8. Some plants get minerals from _____ and small animals
  4. 11. Most plants get minerals from the _____
  5. 12. A glowing splint relights when placed in ______
  6. 15. Photosynthesis takes place here in a plant cell
  7. 16. Plants without magnesium will have _______ leaves
  8. 17. Water helps keep plant cells _______ (firm)
Down
  1. 1. This is used by farmers to help their plants grow
  2. 2. The gas needed for photosynthesis
  3. 3. This liquid is needed for photosynthesis
  4. 5. ________ fertiliser comes from living things
  5. 6. Potassium is needed for healthy _____ development
  6. 9. The tiny pores in a leaf
  7. 10. Magnesium is needed to make ________
  8. 13. This mineral is needed to make DNA
  9. 14. Without water, plant cells go _______ (soft)