crossword

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Across
  1. 3. process by which sun generate light
  2. 4. process used by plants to synthesise food
  3. 8. Chemical that give flower colours
  4. 10. Ingenhousz: person who discovered the process of photosynthesis
  5. 12. substance that lights firefly's fire
  6. 13. terpenes responsible for smell of lemon
  7. 14. process of formation of blood cells in our body
Down
  1. 1. Universal solvent
  2. 2. plant that is used to control pollution
  3. 5. most abundant element in earth's core
  4. 6. alkaloid found in potatoes
  5. 7. layer formed through the interaction of solar ultraviolet radiation with molecular oxygen
  6. 9. alkaloid found in tea leaves
  7. 11. most abundant gas in atmosphere