Wednesday, November 3, 2021

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Across
  1. 5. any of a group of organic compounds which are essential for normal growth and nutrition to improve life
  2. 7. a device that activates another device when the temperature (heat) reaches a certain point
  3. 8. a picture produced on light-sensitive material
Down
  1. 1. instrument for measuring temperature particularly heat
  2. 2. in geometry, a plane figure with at least three straight sides and angles, and typically five or more
  3. 3. the state of being strong and active with life
  4. 4. in geometry, a solid figure with many plane faces, typically more than six
  5. 6. written material produced by a process involving the action of light on a specially prepared surface