knowledge is key

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Across
  1. 2. the biggest star known to man
  2. 5. a microscopic thing which makes up everything
  3. 6. the only planet in the solar system with life
  4. 9. one of the only rocks that come out of a volcano
  5. 12. a country which has america as an ally
Down
  1. 1. a sweet loved by cadbury and nestle
  2. 3. a popular battle royale game
  3. 4. a game with multiple games
  4. 7. the most popular roblox game
  5. 8. a country with a communist history
  6. 10. a huge bomb which is radioactive
  7. 11. main character on toy story