Complete the crossword

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Across
  1. 3. new stone age
  2. 4. distance between celestial bodies
  3. 6. sphere of water
  4. 7. biggest delta in world
  5. 9. planting more trees
  6. 10. founder of buddhism
Down
  1. 1. main occupation of aryans
  2. 2. author of abhigyanshakuntalam
  3. 5. form of village court
  4. 8. general body of village