Trouble with chickens

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Across
  1. 3. the light of the sky
  2. 6. an argument
  3. 7. a person who puts someone in danger
  4. 8. to be in pain
Down
  1. 1. a race
  2. 2. to be necacery
  3. 4. an optional phenomenam
  4. 5. which is carried