Gilbert

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Across
  1. 3. light duration/length
  2. 6. light produced
  3. 7. organize light
  4. 8. light we can see
  5. 10. flower after 12 hours
Down
  1. 1. Wavelength measurement
  2. 2. Purple/red photosynthesis
  3. 4. Green photosynthesis
  4. 5. not affected by photoperiod
  5. 9. flower under 12 hours