English

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Across
  1. 2. molecules are tightly packed
  2. 5. light cannot pass
  3. 7. simple machine
  4. 8. planet with life
Down
  1. 1. festival of colours
  2. 2. travels through medium
  3. 3. natural satellite
  4. 4. place with hot day and cool night
  5. 6. producer