It's a jungle out there

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Across
  1. 2. Dangerous liquid, something harmful(figurative).
  2. 3. Frightened or worried.
  3. 8. Actions or words that are intended to hurt people.
  4. 9. Amplifying device.
  5. 10. Felling fear.
  6. 12. Cause death.
  7. 13. Tropical vegetaion, forest.
  8. 16. Informal or slang to name police officers.
  9. 17. Act of hitting.
Down
  1. 1. Be anxious about something.
  2. 4. Chaos,when you do not understand what is happening.
  3. 5. Exposure to risk or evil or harm.
  4. 6. A person who hates or opposes another person.
  5. 7. Mess, disturbance.
  6. 11. in opposition to
  7. 14. A particular set of clothes of an organization.
  8. 15. Incorrect.