Nature

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Across
  1. 2. / To cause great damage or ruin.
  2. 3. / Insects with large, often colorful wings.
  3. 5. / Chemicals used to kill pests, especially in farming.
  4. 7. about / To feel anxious or concerned about something.
  5. 12. / A large, slow-moving mass of ice.
  6. 13. down / To chop or fell a tree.
  7. 14. / A large natural stream of water flowing towards the sea.
  8. 16. / The removal of large areas of trees or forests.
  9. 18. / A large body of water surrounded by land.
  10. 19. / The natural environment where a plant or animal lives.
  11. 20. / No longer existing or living, often used to describe species.
Down
  1. 1. / A large area covered chiefly with trees and undergrowth.
  2. 4. / A building where goods are manufactured.
  3. 6. / The contamination of the environment, usually by harmful substances.
  4. 8. / Animals that live naturally in an area.
  5. 9. / To no longer be visible or to vanish.
  6. 10. / To keep safe from harm or damage.
  7. 11. / A powerful tropical storm with strong winds and rain.
  8. 15. change / A long-term shift in temperature and weather patterns on Earth.
  9. 17. / A vast body of saltwater covering much of the Earth's surface.