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Environment

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Across
  1. 3. reproduce
  2. 7. make sth poisonous by adding a chemical waste
  3. 12. result or effect of sth
  4. 13. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust
  5. 15. scientific journey
  6. 18. all the plants and animals in a particular area
  7. 20. the natural home of a plant or animal
  8. 21. to make sth develop and grow strong again
  9. 22. in a situation where one might be harmed or disappear from the world
  10. 23. (of soil or land) producing or capable of producing abundant vegetation or crops
Down
  1. 1. The supply of water to land or crops to help growth, typically by means of channels
  2. 2. damage or destruction affecting a large area or a lot of people
  3. 4. mixture of waste from the human body and used water that is carried away from houses by pipes under the ground
  4. 5. get rid of sth
  5. 6. the use of sth such as fuel or energy; process of eating sth
  6. 8. knowledge of a subject, issue or situation; ability to notice things
  7. 9. substance that can be broken into very small parts by bacteria so that they are not harmful to the environment
  8. 10. a room with thick walls and strong door used for storage
  9. 11. protect
  10. 14. relating to farming food without using chemicals
  11. 16. decline or deteriorate physically, mentally, or morally
  12. 17. solid substances that settle at the bottom of a liquid
  13. 19. containing poison