Crossword

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Across
  1. 2. A process of cell division
  2. 5. The process of human development for long time
  3. 6. C3H8
  4. 7. F/S
  5. 9. The structure of columns and rows
Down
  1. 1. Favorite theorem of Nurasyl
  2. 2. source of energy in cell
  3. 3. The place of contact between two neurons
  4. 4. 6.02*10^23 mol^-1
  5. 8. Light is a...