Renewable and non renewable energy

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Across
  1. 3. comes from plants and animals (7)
  2. 5. used to power cars (3)
  3. 6. internal heat from the earth (10)
  4. 10. power from uranium (7)
Down
  1. 1. used to increase water for hydropower electricity (3)
  2. 2. used to power cars (6)
  3. 4. people put on their roof (5)
  4. 7. power built in an estuary (5)
  5. 8. black rock (4)
  6. 9. turbines that use air (4)