The Crossword Of 1000

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Across
  1. 2. A object that is used on coloring, used on a whiteboard or is permanent.
  2. 5. It is used to repeat someone's speech or used in a question.
  3. 6. Plants and trees named in one word.
  4. 8. Square root of 9.
  5. 9. The current most popular video game.
  6. 11. The most popular pet.
  7. 12. All sentient species are this word.
  8. 15. The medical tool that surgeons use to cut tissue.
  9. 17. The video that often plays at the start, end or at the middle of the video.
  10. 19. The kind of puzzle you are playing right now.
  11. 21. The abbreviation for the brain of the computer.
  12. 22. The most common output of sound.
Down
  1. 1. The word that describes someone training their muscles.
  2. 3. How many words are in this crossword
  3. 4. Masculine and feminine are this word.
  4. 7. Something that is inaccessible to others and only specific things or people can enter or do, as well as do something with nobody around.
  5. 9. This is used to describe a number that has 6 numbers after the first one, two or three.
  6. 10. What kind of species are you?
  7. 13. An infant in other words.
  8. 14. Albert Einstein's equation stating that energy (E) is equal to mass (m) multiplied by the speed of light squared c2. (Type it how its read eg. 2 "equals" 2)
  9. 16. Computer users use it to talk in text.
  10. 18. A word that can describe a friend pack in one.
  11. 20. Something that is out of sight.