Solar energy

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Across
  1. 3. Rays from sun
  2. 5. Not achieving productivity
  3. 7. The surrounding or condition
  4. 8. Low in price
  5. 9. A flat, smooth surface
Down
  1. 1. Expensive
  2. 2. A kind of energy using electric
  3. 3. Energy generated by the sun to create electricity
  4. 4. A lot of
  5. 6. A greater amount of