Spelling Beeeeee!

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Across
  1. 2. relating to the conditions that affect hygiene and health, especially the supply of sewage facilities and clean drinking water.
  2. 7. a minor change or addition designed to improve a text, piece of legislation, etc.; an article added to the US Constitution.
  3. 8. the natural home or environment of an animal, plant, or other organisms.
  4. 11. a strong, regular, repeated pattern of movement or sound.
  5. 12. a large-scale systematic plan or arrangement for attaining a particular object or putting a particular idea into effect.
  6. 16. a chest of drawers.; an office or department for transacting particular business.
  7. 17. having or displaying an intense or ferocious aggressiveness.
  8. 18. (of a species, family, or other groups of animals or plants) having no living members; no longer in existence.
  9. 19. waste material; refuse or litter.
  10. 20. small and weak.
Down
  1. 1. a short official statement or broadcast summary of the news.
  2. 3. a piece of writing included with others in a newspaper, magazine, or other publication.; a particular item or object.
  3. 4. a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering.
  4. 5. a cultivated plant of the parsley family, with closely packed succulent leafstalks that are eaten raw or cooked.
  5. 6. a starchy plant tuber which is one of the most important food crops, cooked and eaten as a vegetable.
  6. 9. as a result.
  7. 10. a substance used to give a different, stronger, or more agreeable taste to food or drink.
  8. 13. a sudden outbreak of something, typically something unwelcome or noisy.
  9. 14. a person who betrays a friend, country, principle, etc.
  10. 15. suggesting something supernatural; uncanny.