From Silent Spring

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Across
  1. 5. unable to understand; perplexed
  2. 6. a chemical substance used
  3. 8. badly affected by illness/injured
  4. 10. the situation in which there is more than enough of something
  5. 11. kill harmful insects or small animals
  6. 12. strange, not known, or not understood
  7. 13. a disease, or a problem in the way something works
  8. 14. a disease that damages and kills plants
Down
  1. 1. the absence of movement or sound.
  2. 2. successful, usually by earning a lot of money
  3. 3. very pleased
  4. 4. to shake slightly
  5. 7. a person who moves from one place to another, especially in order to find work or better living conditions.
  6. 9. to say that something is wrong or not good enough