UNIT 5

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Across
  1. 5. to change
  2. 8. to guess the cost, size, value of something
  3. 10. a substance that can make you ill or kill you if it gets in your body
  4. 12. dangerous because something bad might happen
  5. 13. the relationship beteen living things and the environment
  6. 15. the place where someone or something is going
  7. 17. full of light and colour
  8. 18. to reach, stretch or continue for a particular distance
  9. 19. a collection of historical documents that provides information about the past
Down
  1. 1. something good that you achieve
  2. 2. a guess that is lower than the real size or amount
  3. 3. to watch someone or something carefully
  4. 4. a special container where people keep bees
  5. 5. to see or notice something or someone
  6. 6. land which is used for or suitable for farming
  7. 7. a group of the same type of animals, insects or plants
  8. 9. the top layer of earth that plants grown in
  9. 11. a large area of land covered with grass
  10. 14. a chemical that is used to kill insects which damaged plants
  11. 16. a particular way that something is often done or repeated