how plants grow

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Across
  1. 5. the process plants use to make food
  2. 9. which gas is required for photosynthesis to take place?
  3. 10. type of plant used for decorative purposes
Down
  1. 1. plant's response to physical objects
  2. 2. type of plant used for eating
  3. 3. plant's response to light
  4. 4. simple sugar produced through photosynthesis
  5. 6. area of agriculture that produces plants for food, comfort, and beauty
  6. 7. structure responsible for obtaining carbon dioxide from the air
  7. 8. plant's response to gravity
  8. 9. green pigment in the leaves that gather energy from sunlight