Renewable and non renewable energy

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Across
  1. 5. Built in estuary (10)
  2. 6. used to turn electrical generators (9)
  3. 9. A black rock (4)
  4. 10. hot rocks under ground (15)
Down
  1. 1. goes on your roof (10)
  2. 2. Uranium energy (7)
  3. 3. it needs wind (11)
  4. 4. Alos to power cars and propane (11)
  5. 7. holds back water (3)
  6. 8. decaying animal and plant waste (7)