c with a /k/ or /s/ sound

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Across
  1. 4. A liquid naturally contained in fruit or vegetables
  2. 5. A round shape with no corners
  3. 6. Hard to find; not plentiful
  4. 9. A treatment that makes someone healthy again
  5. 11. A system of symbols or rules for communication
  6. 12. Farm animals raised for milk or meat
  7. 13. The amount of money something costs
Down
  1. 1. Very decorative or elaborate
  2. 2. Very intense or aggressive
  3. 3. A small unit of weight
  4. 7. A reddish-brown metal often used in coins and wiring
  5. 8. The act of selecting between options
  6. 10. The middle point of something
  7. 11. A large hollow space underground or in a mountain