Fill in crossword

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Across
  1. 2. life cycle of two seasons
  2. 3. container to kept animals in
  3. 7. fluids in motion
  4. 9. water professionals performance event
  5. 10. water
  6. 11. under the earth
  7. 12. many atoms in a ring shape
Down
  1. 1. extremely small crystal
  2. 4. energy from water
  3. 5. twice a year
  4. 6. small x-ray beam
  5. 8. large marsupials